Cardiology EMS

What is the route of the electrical current in the heart?

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Terms in this set (22)

What is the route of the electrical current in the heart?

SA node to AV node to Bundle of HIS to Bundle branches to Purkinje Fibers.

A high right-side or right ventricular heart failure is known as ________.

Name the 4 valves in the heart?

tricuspid, pulmonary, mitral (bi), aortic

The only real unique trait the heart has?

___________ is the amount of blood in ventricles during diastoli, _________ is the resistance against which the heart must pump.

Pre load, after load

Who are least likely to present with normal symptoms of heart complications?

Elderly, diabetic, pediatric and women.

What are the signs and symptoms of Left Ventricular failure?

Pulmonary edema, rails, sitting bolt upright, normal to high BP.

Where does Plaque build up start in the arteries?

The Endothelium.

What is the main function of the AV node on a healthy person?

The AV node slows the electrical impulse from the SA node to allow the verticals to fill.

A cell that irritates another cell in the heart can not be irritated for a short time because it is ____________