So you've already learned that the valves got endocardium.

And the blood goes down into the right ventricle. And then, on the other side I'm going to label the last two chambers.

And because of that, this cell won't be able to help the heart pump properly

First of all, heart failure is the number one reason for hospital admissions and readmissions in this country.

And when that happens that's called heart failure.

Blood flows from the right atrium to the right ventricle, then it goes to the lungs and from the left atrium to the left ventricle.

And it goes down into, you can probably guess how this one is called, is our left ventricle.

So ischemia is deprivation of blood flow and oxygen downstream from this right over there.

4.8 million suffer cardiac failure.

So this is chamber number three. And then the left ventricle.

Did he have a crippled wing?

I also want to once again differentiate cardiac arrest from heart failure, because they sound the same, sound like heart is failing.

Let's start with blood going from the right atrium, this way into the right ventricle.

Some plaques are actually unstable. These plaques just grow and grow and grow.

On the other side you have the mitral valve, which separates the left atrium from the left ventricle.

Today heart disease kills a quarter of the population in the western world the most violent form is the heart attack.

Let's open that IV, please.

But now they learn these guys are going to give them less than they expect.

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lives, flipping certain individuals who've might otherwise be resistant to an infection.

You really should lock your door.

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I could hear crackly sounds on both sides that told me that she was in congestive heart failure.

And so you see one of our monkeys, Mayday, up here doing this.

Yes.

They'd been running that since 2008, and already have stopped cardiac arrests and distress within the hospital.

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He's a peglegged bat with a broken wing.

Diabetes, cancer, Parkinson's, Alzheimer's, heart failure, lung failure things that we know are debilitating diseases, for which there's relatively little that can be done.

Frankly, heart attack is not the only thing that can cause cardiac arrest.

... Right, left. Left, left, left, right, left.

The bigger you are, life gets faster.

So when this guy is jogging, because he has restricted blood supply because the heart is experiencing ischemia downstream from this stenosis, that's why there's heart failure so not able to deliver

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That's what we call coronary artery disease, or heart disease.

Where do we end up on our number line?

Step up to your broomstick.

So heart disease is one of the causes of heart failure.

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They strangle, they aspirate their vomit, they suffocate, they have a heart attack.

So now the journey starts with the left ventricle.

All these different organs and tissues are gonna be getting blood from the left ventricle.

In the new cycle you have a bit of blood that's going from the right atrium to the right ventricle.