Khan Academy: 2757 products
Khan Academy is an organization on a mission. We're a not-for-profit with the goal of changing education for the better by providing a free world-class education for anyone anywhere.
All of the site's resources are available to anyone. It doesn't matter if you are a student, teacher, home-schooler, principal, adult returning to the classroom after 20 years, or a friendly alien just trying to get …
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Health and medicine: Flow and perfusion
Learn the difference between blood flow (Volume/time) and perfusion (Volume/time/amount of tissue). Rishi is a pediatric infectious disease…
VideoFree11 minutes
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Health and medicine: Testing for the flu
Learn when testing for influenza makes sense, and the most common test that is used. Rishi is a pediatric infectious disease physician and …
VideoFree9 minutes
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Health and medicine: Membrane potentials - part 2
Find out how a cell that is permeable to one ion can become charged (either positive or negative) if there is permeability and a concentrat…
VideoFree9 minutes
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Health and medicine: Extrapulmonary TB (Part 2)
Learn about how TB can spread beyond your lungs. These videos do not provide medical advice and are for informational purposes only. The vi…
VideoFree12 minutes
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Health and medicine: Heart disease and heart attacks
Basics of heart disease, heart attacks, heart failure, angina, cardiac arrest. Special thanks to Edward J Perper, MD for help in clarifying…
VideoFree12 minutes
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Health and medicine: Managing Parkinson's disease with medications
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree10 minutes
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Health and medicine: Osteoarthritis vs rheumatoid arthritis pathophysiology
Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-p…
VideoFree10 minutes
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Health and medicine: Biliary tree
The biliary tree (also known as the biliary tract or biliary system) is comprised of the gallbladder, liver and bile ducts. These structure…
VideoFree6 minutes
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Health and medicine: Pressure in the left heart - part 3
Watch the pressure in the left heart go up and down with every heart beat! Rishi is a pediatric infectious disease physician and works at K…
VideoFree13 minutes
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Health and medicine: Pulmonary TB
Learn the effects that TB has on the lungs and some important clinical clues. These videos do not provide medical advice and are for inform…
VideoFree12 minutes
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Health and medicine: What's in sweat? (Holocrine, Apocrine, Merocrine Glands)
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree6 minutes
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Health and medicine: Increasing the heart's force of contraction
Find out exactly how stretch increases force of contraction in end-diastole, whereas more calcium increased force of contraction in end-sys…
VideoFree15 minutes
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Health and medicine: Causes of pericarditis
Health and medicine The medical world can be a confusing place. Patients, their families, and even students entering health fields might fe…
VideoFree10 minutes
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Health and medicine: Calculate your own osmolarity
Learn how to use three lab values (Sodium, glucose, and BUN) to approximate your plasma osmolarity. Rishi is a pediatric infectious disease…
VideoFree13 minutes
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Health and medicine: Secondary hemostasis
Secondary hemostasis is the process where the platelet plug initially created in primary hemostasis is reinforced by the conversion of fibr…
VideoFree4 minutes