Atherosclerosis – part 1 | Circulatory system diseases | Health & Medicine | Khan Academy

So I wanted to talk to you a little bit about atherosclerosis. And I have already cheated a little bit, and I’ve started drawing. I wanted to make […]

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Atrioventricular Block (AV block) – Types of Heart Block Part 2, Animation.

There are three degrees of AV block: First-degree AV block: the electrical signals are SLOWED as they pass from the SA node to the AV node, but all […]

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What is hypoplastic left heart syndrome (HLHS)?

(gentle music) – Hypoplastic left heart syndrome is a type of congenital heart disease where the left side of the heart is underdeveloped. So in the normal heart, […]

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Layers of the heart | Human anatomy and physiology | Health & Medicine | Khan Academy

So you’re probably feeling pretty comfortable with the diagram of the heart, but let me just go ahead and label a few things just to make sure we’re […]

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Depolarization waves flowing through the heart | NCLEX-RN | Khan Academy

OK, I’m going to draw for you a box diagram of our hearts. Kind of a quick schematic and this is, let’s say, divided in half. And I’ll […]

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Flow through the heart | Circulatory system physiology | NCLEX-RN | Khan Academy

So what you’re looking at is one of the most amazing organs in your body. This is the human heart. And it’s shown with all the vessels on […]

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