Osmosis - Pathophysiology

What is Wilms' tumor? Wilms' tumor, or nephroblastoma, is a type of kidney tumor that develops most often in children, and is sometimes associated with a gene mutation but can also happen in otherwise healthy children. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. This video discusses the known pathophysiology, associated developmental syndromes, and treatment. Script - https://goo.gl/p5buEc Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Our supporters: Wade Licup Ramin Radmanesh Sources: http://emedicine.medscape.com/article/989398-overview#a5 https://en.wikipedia.org/wiki/Wilms%27_tumor#Staging_and_treatment Pathoma (video) Pathoma (text) First Aid 2016 Robbins Basic Pathology (9th ed) https://ghr.nlm.nih.gov/condition/wagr-syndrome#genes Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH

What is Wilson's disease (Wilson disease)? You usually take in more copper than your body needs every day, and any excess is excreted. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. With Wilson's disease, a genetic defect affecting the ATP7B transport protein causes copper to accumulate in the body and damage various tissues and organs. This video covers the pathophysiology of Wilson's disease, as well as common signs and symptoms, complications, and treatments. Subscribe - http://www.youtube.com/channel/UCNI0q... This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH Attributions: Kayser-Fleischer ring image by Herbert L. Fred, MD, & Hendrik A. van Dijk - https://commons.wikimedia.org/wiki/Fi...

What is Wolff-Parkinson-White syndrome (WPW)? WPW is a type of arrhythmia involving an accessory pathway called the bundle of Kent, which allows electrical communication between the atria and ventricles. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. WPW pattern describes when there are no associated symptoms, and WPW syndrome describes when there are associated arrhythmias and symptoms. This video describes the pathophysiology, clinical signs, and treatment for WPW. Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Resources: http://www.uptodate.com/contents/supraventricular-tachycardia-in-children-av-reentrant-tachycardia-including-wpw-and-av-nodal-reentrant-tachycardia?source=search_result&search=wolff+parkinson+white&selectedTitle=5~116 http://www.uptodate.com/contents/atrioventricular-reentrant-tachycardia-avrt-associated-with-an-accessory-pathway https://en.wikipedia.org/wiki/Wolff%E2%80%93Parkinson%E2%80%93White_syndrome http://www.uptodate.com/contents/epidemiology-clinical-manifestations-and-diagnosis-of-the-wolff-parkinson-white-syndrome?source=search_result&search=wolf+parkinson+white&selectedTitle=1~116 http://lifeinthefastlane.com/ecg-library/pre-excitation-syndromes/ Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH Attributions: Groan and Grunt sound effect by Mike Koenig - http://soundbible.com/854-Groan-And-Grunt.html Tattoo gun sound effect by Mike Koenig - http://soundbible.com/530-Tattoo-Gun.html Whistling person sound effect by Mike Koenig - http://soundbible.com/793-Whistling-Person.html Our supporters: Wade Licup

What is Zika virus? Zika virus is a mosquito-borne virus that causes mild illness in adults, but has been linked with microcephaly in newborns. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. This video covers the current understanding of the Zika virus, including information about the aedes aegypti mosquito, symptoms, complications, epidemiology, treatment, and precautions. Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Resources: http://www.cdc.gov/mmwr/volumes/65/wr/mm6502e1.htm http://www.cdc.gov/mmwr/volumes/65/wr/mm6502e1.htm#F1_down http://www.who.int/mediacentre/factsheets/zika/en/ http://www.who.int/features/qa/zika/en/ http://www.cdc.gov/zika/hc-providers/qa-pediatrician.html http://jvi.asm.org/content/89/17/8880.full.pdf+html Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH Attributions: Crying, Fly Buzzing, Whistling Person, Suction Sound, Blood Squirt Sound, Water Drop Sound, Splat and Squirt Sound sound effects by Mike Koenig -http://soundbible.com/818-Crying.html -http://soundbible.com/396-Fly-Buzzing.html http://soundbible.com/793-Whistling-Person.html http://soundbible.com/845-Suction.html http://soundbible.com/828-Blood-Squirt.html http://soundbible.com/1126-Water-Drop.html http://soundbible.com/1081-Splat-And-Squirt.html Slurping 2 sound effect by “fille1000” - http://soundbible.com/1502-Slurping-2.html Rokitansky-Aschoff sinus histology by Patho - https://commons.wikimedia.org/wiki/File:Rokitansky-Aschoff_sinus_in_a_case_of_chronic_cholecystitis.JPG Radiograph by Prof. Frank Gaillard - http://radiopaedia.org/cases/porcelain-gallbladder-2 Pain sound effect by "thecheeseman" - http://soundbible.com/1454-Pain.html Blood squirt sound effect by Mike Koenig - http://soundbible.com/828-Blood-Squirt.html

What is X-linked agammaglobulinemia (XLA)? XLA's an X-linked recessive genetic condition where B cells aren't able to fully mature, resulting in a lack of immunoglobulins (antibodies) in the blood. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. This video covers the pathophysiology, signs and symptoms, and treatment for XLA. Script - https://goo.gl/vrv8Bu Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Instagram - @osmosismed Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Our supporters: Wade Licup Ramin Radmanesh Alex Wright Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH Sources: Pathophysiology—the biological basis for disease in adults and children, 7th ed. Pathophysiology (Copstead), 5th ed. http://www.jacionline.org/article/S0091-6749(13)00256-X/pdf https://www.ncbi.nlm.nih.gov/pubmed/23465663 http://www2.nau.edu/~fpm/immunology/Exams/Bcelldevelopment-401.html http://emedicine.medscape.com/article/1050956-overview?pa=ANSIiDcOK27PFc8j5tU5lhuYYnJZtcj7FsBlX06ihEEnDuRpqoVifq49oudAIMZxbTtT8IXCFgr82bl565Uhensf1SXToM9t2GZJwKsZeuU%3D#a5 https://ghr.nlm.nih.gov/condition/x-linked-agammaglobulinemia#inheritance https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2276078/pdf/CDI-08-171.pdf https://en.wikipedia.org/wiki/X-linked_agammaglobulinemia Pathoma (text) Pathoma (video)

What is vasculitis? Vasculitis is an inflammation of the blood vessels that typically has some immune system-related cause. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. This video covers the pathophysiology of vasculitis in general, as well as more specific conditions like giant cell arteritis, Takayasu arteritis, Kawasaki disease, polyarteritis nodosa, Buerger's disease (thromboangiitis obliterans), granulomatosis with polyangiitis, microscopic polyangiitis, and Churg-Strauss syndrome, as well as the different signs and symptoms between them. Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Credits: Audio/visuals: Tanner Marshall, MS Script: Kyle Slinn, RN Reviewer: Rishi Desai, MD, MPH Attributions: Giant cell arteritis histology by ‘Nephron’ - https://commons.wikimedia.org/wiki/File:Giant_cell_arteritis_--_low_mag.jpg Henoch-Schonlein Purpura image by ‘Hektor’ - https://en.wikipedia.org/wiki/Henoch%E2%80%93Sch%C3%B6nlein_purpura#/media/File:Purpura.jpg

What is ventricular fibrillation? Ventricular fibrillation (V-fib or VF) is a life-threatening arrhythmia where the muscle fibers in the heart’s ventricles don’t contract in coordination. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. This video discusses the known pathophysiology, including three mechanisms leading to VF: functional reentry, anatomical reentry, and electrocution. It also covers several treatment methods. Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Resources: http://circ.ahajournals.org/content/112/8/1232.full http://emedicine.medscape.com/article/761148-overview#a5 https://en.wikipedia.org/wiki/Re-entry_ventricular_arrhythmia https://en.wikipedia.org/wiki/Ventricular_fibrillation#Implantable_electric_defibrillator http://www.uptodate.com/contents/pathophysiology-and-etiology-of-sudden-cardiac-arrest?source=search_result&search=ventricular+fibrillation&selectedTitle=2~150 http://emedicine.medscape.com/article/760832-treatment#d11 Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH Attributions: Fishtank bubble 2 sound effect by ‘amanda’ — http://soundbible.com/1571-Fishtank-Bubbles-2.html Men shouting hey sound effect by ‘Jace’ - https://www.freesound.org/people/Jace/sounds/57204/ Rowing2 sound effect by ‘juskiddink’ - https://www.freesound.org/people/juskiddink/sounds/101921/ Short circuit sound effect by Mike Koenig - http://soundbible.com/1320-Short-Circuit.html Our supporters: Wade Licup

What is ventricular septal defect? A ventricular septal defect is a congenital heart deformity where the septum between the heart's ventricles fails to close completely, leaving an opening between both ventricles and allowing blood to leak through. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. This video covers the pathophysiology and major clinical complications. Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH Attributions: Holosystolic murmur recording by The Regents of the University of Michigan - http://www.med.umich.edu/lrc/psb_open/html/repo/primer_heartsound/primer_heartsound.html Our supporters: Wade Licup

What is ventricular tachycardia? Ventricular tachycardia (V-tach or VT) is a type of arrhythmia in which a fast heart rate originates from the ventricles. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. This video describes the pathophysiology of both focal tachycardia and reentrant tachycardia, as well as diagnosis via ECG and treatment. Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH Special thanks: Stuart Ray, MD Attributions: Heartbeat sound effect by Mike Koenig - http://soundbible.com/1707-Hearbeat-2.html Our supporters: Wade Licup

What is the hepatitis virus? Well, the hepatitis virus invades liver cells and causes inflammation in the liver tissue. There are five known hepatitis viruses—hepatitis A, hepatitis B, hepatitis C, hepatitis D, and hepatitis E, all of which have slightly different presentations, symptoms and severity. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. This video covers the pathophysiology, major clinical signs and symptoms, and treatments for viral hepatitis. Viral Hepatitis Study Guide - https://goo.gl/5qf1oR Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is not medical advice and is just for your own information. Listen to health care professionals. :) This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Credits: Script/audio/visuals: Tanner Marshall, M.S. Reviewer: Rishi Desai, MD, MPH Attributions: Histology by Nephron - https://commons.wikimedia.org/wiki/File:Ballooning_degeneration_high_mag_cropped.jpg Histology by Mikael Häggström - https://en.wikipedia.org/wiki/Reactive_lymphocyte#/media/File:Reactive_lymphocyte_closeup.JPG

What is type III hypersensitivity? Type III hypersensitivity describes when antigen-antibody complexes deposit in the blood vessels and cause subsequent inflammation and tissue damage. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. This video covers the pathophysiology, as well as several important clinical examples of type III hypersensitivity. Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Our supporters: Wade Licup This video was created in collaboration between Osmosis and Rush Medical College Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH Attributions: Swoosh 3 sound effect by “man” - http://soundbible.com/706-Swoosh-3.html Special thanks: Rush Medical College Maureen H. Richards, PhD

What is ulcerative colitis? Ulcerative colitis is an inflammatory bowel disease that specifically affects the epithelial lining of the large intestine. It's thought to be an autoimmune disease involving T cell destruction of the epithelial lining. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. This video covers the known pathophysiology, the important signs and symptoms, and treatment options available. Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH

What is type IV hypersensitivity? Type IV hypersensitivity is a T-cell-mediated hypersensitivity, meaning the inflammation and potential tissue damage is caused by either T helper cells (CD4+) or cytotoxic T cells (CD8+). Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. This video covers the pathophysiology, symptoms, and several examples, including contact dermatitis as with poison ivy, as well as several other systemic diseases. Script - https://goo.gl/v4QlvT Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Our supporters: Wade Licup This video was created in collaboration between Osmosis and Rush Medical College Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH Special thanks: Rush Medical College Maureen H. Richards, PhD

What are varicose veins? Varicose veins are veins where the venous valves have started to fail, causing blood to leak backward and pool in the veins, over time, this causes inflammation and fibrosis in the tissue and leads to chronic venous insufficiency (CVI). Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. This video also covers varicoceles, which are varicose veins in the testicles. Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Our supporters: Wade Licup Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH

What are vascular tumors? Vascular tumors are usually the result of blood vessel endothelial cell growth, and can be benign or malignant, and often manifest as lesions on the skin. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. This video covers three types of vascular tumors—Kaposi sarcoma, hemangioma (including cavernous hemangiomas, capillary hemangiomas, and pyogenic granulomas), and angiosarcoma. It also covers the common clinical signs and treatment. Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Credits: Audio/visuals: Tanner Marshall, MS Script: Kyle Slinn, RN Reviewer: Rishi Desai, MD, MPH Attributions: Kaposi’s sarcoma image by M. Sand, et al. - https://commons.wikimedia.org/wiki/File:Kaposis_sarcoma_01.jpg Pyogenic granuloma image by Makotosan - https://en.wikipedia.org/wiki/Vascular_anomaly#/media/File:Pyogenic_Granuloma_Thumb_1.JPG Capillary hemangioma image by Zeimusu - https://en.wikipedia.org/wiki/Capillary_hemangioma#/media/File:Capillary_haemangioma.jpg Cavernous hemangioma image by Cbheumircanl - https://en.wikipedia.org/wiki/Cavernous_hemangioma#/media/File:Hemangioma.JPG Strawberry image by Rlaferla - https://en.wikipedia.org/wiki/Strawberry#/media/File:PerfectStrawberry.jpg Blood squirt sound effect by Mike Koenig - http://soundbible.com/828-Blood-Squirt.html

What is transposition of the great arteries? The great arteries are the aorta and the pulmonary artery, and transposition means to switch places, so with transposition of the great arteries (TGA), the aorta and pulmonary artery switch places such that they're connected to the wrong ventricle. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. This video covers two forms of TGA—dextro-TGA and levo-TGA, as well as the pathophysiology behind each. It also covers the important clinical signs and symptoms. Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Resources: http://www.cdc.gov/ncbddd/heartdefects/tga.html http://emedicine.medscape.com/article/900574-overview#a4 http://www.uptodate.com/contents/l-transposition-of-the-great-arteries?source=search_result&search=levo+transposition+of+the+great+arteries&selectedTitle=1~71 https://en.wikipedia.org/wiki/Levo-Transposition_of_the_great_arteries https://en.wikipedia.org/wiki/Dextro-Transposition_of_the_great_arteries Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH Our supporters: Wade Licup

What is truncus arteriosus? Truncus arteriosus (TA) is a congenital heart defect where the truncus arteriosus doesn't split properly into the aorta and pulmonary artery, allowing oxygenated blood and deoxygenated blood to mix. This video covers the pathophysiology behind TA. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH Our supporters: Wade Licup

What is tuberculosis? Tuberculosis, or mycobacterium tuberculosis, is a type of mycobacteria that commonly infects the lungs. TB can be latent, in which it's dormant, or it can be active, in which it causes symptoms and can be contagious and very serious. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. This video covers the pathophysiology of TB infection, as well as important complications, signs and symptoms, tests and procedures, and treatment. Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH Special thanks: Stuart Ray, MD Attributions: Caseous necrosis image by Yale Rosen - https://en.wikipedia.org/wiki/Caseous_necrosis#/media/File:Tuberculosis_-_Sub-pleural_primary_(Ghon)_focus_(6596011395).jpg Ranke complex radiograph by Dr Hunor Sukosd - http://radiopaedia.org/cases/primary-pulmonary-tuberculosis-ranke-complex Heavy gasping air sound effect by 'robinhood76' - https://www.freesound.org/people/Robinhood76/sounds/95529/ Steam pipe sound effect by 'vision68' - https://www.freesound.org/people/visions68/sounds/278998/ Water drop low sound effect by Mike Koenig - http://soundbible.com/1139-Water-Drop-Low.html Our supporters: Wade Licup

What is type I (type 1) hypersensitivity? Type I hypersensitivity, or sometimes IgE-mediated hypersensitivity or immediate hypersensitivity, is a type of immune reaction in which tissue is damaged due to IgE antibody. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. Most allergies are caused by type I hypersensitivity reactions. This video covers the pathophysiology, complications, signs and symptoms, and treatment for type I hypersensitivity reactions. Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Our supporters: Wade Licup This video was created in collaboration between Osmosis and Rush Medical College Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH Special thanks: Rush Medical College Maureen H. Richards Attributions: Water splash sound effect by Mike Koenig - http://soundbible.com/1460-Water-Splash.html Inhaling loudly sound effect by Mike Koenig - http://soundbible.com/127-Inhaling-Loudly.html Eat chips sound effect by Caroline Ford - http://soundbible.com/912-Eat-Chips.html

What is type II (type 2) hypersensitivity? Type II hypersensitivity is an immune response in which host cells are damaged due to antibodies binding to the cell surface. Subscribe - https://goo.gl/w5aaaV. More videos - https://goo.gl/UhOKiM. Support us on Patreon - https://goo.gl/ZGHEk4. This video discusses five mechanisms of cellular damage, including via the complement pathway, opsonization and phagocytosis, and antibody-mediated cellular dysfunction. Subscribe - http://www.youtube.com/channel/UCNI0qOojpkhsUtaQ4_2NUhQ?sub_confirmation=1 This video is brought to you by Osmosis. Along with providing open-access videos, Osmosis offers a comprehensive e-learning platform that connects med students with thousands of flashcards and quiz questions, depending on each student's needs. Ever wish information would just diffuse into your brain? Well, Osmosis helps make that possible—don't learn it, osmose it! https://www.osmosis.org/ Support us on Patreon! - https://goo.gl/izRx2z We also have free practice questions for the USMLE and NCLEX-RN exams here: https://goo.gl/3oGOEi Also, we're social: Facebook - https://www.facebook.com/OsmoseIt/ Twitter - https://twitter.com/osmoseit Got feedback? We'd love to hear it! http://goo.gl/forms/T6de48NVzR This video is licensed under a Creative Commons CC-BY-SA 4.0 international license, which means that you're free to share and adapt it so long as you follow the Attribution and ShareAlike terms and conditions! Our supporters: Wade Licup This video was created in collaboration between Osmosis and Rush Medical College Credits: Script/audio/visuals: Tanner Marshall, MS Reviewer: Rishi Desai, MD, MPH Attributions: Pain sound effect by thecheeseman - http://soundbible.com/1454-Pain.html Blop sound effect by Mark DiAngelo - http://soundbible.com/2067-Blop.html Special thanks: Rush Medical College Maureen H. Richards, PhD