Khan Academy
Khan Academy: Calculus: Triple Integrals 3
Video lesson showing how to set up a triple integral to solve for the mass of a volume between two surfaces with variable density. [11:48]
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Khan Academy: Quadrilateral Overview
This video tutorial [8:24] defines what a quadrilateral is and identifies and defines concave quadrilaterals, convex quadrilaterals, trapezoids, parallelgrams, rectangles, rhombi, and squares.
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Khan Academy: Tuberculosis: Treatment of Active Tb
Learn which medications help treat active TB disease. [12:50]
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Khan Academy: Tuberculosis: Primary and Secondary Tb
Learn some key features of primary TB and how it differs from secondary TB. Rishi is a pediatric infectious disease physician and works at Khan Academy.
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Khan Academy: Changing the Heart Rate: Chronotropic Effect
Find out exactly how your autonomic nervous system has a chronotropic effect (i.e. timing) that changes the speed of your heartbeat! Rishi is a pediatric infectious disease physician and works at Khan Academy. [12:02]
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Khan Academy: Diastereomers and Meso Compounds: Stereoisomers, Enantiomers,
This video looks at pairs of molecules to see if they relate to each other in obvious or less than obvious ways, for example, by having the same molecular formula but different structures. The video looks at stereoisomers, enantiomers,...
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Khan Academy: Influenza Prevention and Treatment: Two Flu Vaccines (Tiv, Laiv)
Explains the differences between TIV (dead virus) and LAIV (alive, but weakened virus) and who should get which one. Rishi is a pediatric infectious disease physician and works at Khan Academy. [10:53]
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Khan Academy: Lab Values and Concentrations: What's Inside of Blood?
Watch how centrifuging your blood decomposes it, and find out what it's made up of. The instructor is a pediatric infectious disease physician. [11:09]
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Khan Academy: Preload and Afterload: Frank Starling Mechanism
Carefully follow five different preload scenarios to see how each one will have a different effect on how actin and myosin line up. Rishi is a pediatric infectious disease physician and works at Khan Academy. [14:18]
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Khan Academy: Flu Symptoms: Flu Surveillance
Find out how many people get hospitalized and die from the flu each year, and learn how we can use the internet, and Google, to keep tabs on the flu. Rishi is a pediatric infectious disease physician and works at Khan Academy.
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Khan Academy: Heart Introduction: Flow Through the Heart
Learn how blood flows through the heart, and understand the difference between systemic and pulmonary blood flow. Rishi is a pediatric infectious disease physician and works at Khan Academy.
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Khan Academy: Miscellaneous: Systemic Thinking About Cancer
Dr. David Agus, a medical professor, discusses thinking systemically about cancer and other things, for example, by making other parts of the body healthier so the cancer can't metastasize.
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Khan Academy: Permeability and Membrane Potentials
Find out why a cell that is permeable to multiple ions has a membrane potential that is influenced by the ion with the highest permeability. Rishi is a pediatric infectious disease physician and works at Khan Academy.
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Khan Academy: Pressure Volume Loops: Understanding the Pressure Volume Loop
Figure out how all of those physiology terms - end-systolic, end-diastolic, pulse pressure, stroke volume, and ejection fraction - can be easily understood using the pressure-volume loop. Rishi is a pediatric infectious disease physician...
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Khan Academy: Pressure Volume Loops: Re Imagine the Pressure Volume Relationship
Understand what is happening at the cellular level to cause two identical left ventricular volumes to have such different pressures! Rishi is a pediatric infectious disease physician and works at Khan Academy.
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Khan Academy: Heart Introduction: Layers of the Heart
Take a closer look at the heart, explore some of its interesting features and get to know the three layers that make up the heart. Rishi is a pediatric infectious disease physician and works at Khan Academy.
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Khan Academy: Heart Muscle Contraction: Three Types of Muscle
Find out what makes smooth muscle, cardiac muscle, and skeletal muscle similar and different from one another. Rishi is a pediatric infectious disease physician and works at Khan Academy.
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Khan Academy: Tuberculosis: Extrapulmonary Tb (Part 2 of 2)
Learn about how TB can spread beyond your lungs.
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Khan Academy: Gas Exchange: Fick's Law of Diffusion
Learn all of the different ways to maximize the amount of particles that diffuse over a short distance over time.
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Khan Academy: Fetal Circulation: Foramen Ovale and Ductus Arteriosus
Watch how the fetal heart allows blood to simply bypass the lungs altogether using the Foramen Ovale and the Ductus Arteriosus! Rishi is a pediatric infectious disease physician and works at Khan Academy.
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Khan Academy: Colon Disease: Colon Dysplasia
Dr. Andy Connolly shows Sal what cancerous colon tissue looks like.
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Khan Academy: Changing the Av Node Delay Chronotropic Effect
Find out exactly how your autonomic nervous system has a chronotropic effect (i.e. timing) that changes the delay between the contraction of the atria and the ventricles! Rishi is a pediatric infectious disease physician and works at...
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Khan Academy: Miscellaneous: Bacterial Meningitis
Dr. Charles Prober discusses prudent prescribing of antibiotics in the context of bacterial meningitis with 4th year medical student Morgan Theis.
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Khan Academy: Pressure Volume Loops: Why Doesn't the Heart Rip?
Understand LaPlace's law to see the effect that pressure, radius, and wall thickness each have on the "wall stress" in the left ventricle to answer the question of why the heart never gets a rip or tear. Rishi is a pediatric infectious...