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8 Cards in this Set
- Front
- Back
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What does the S1 Lub sound represent?
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Sound caused by vibration & abrupt closure of AV valves (bi/tri cuspids) as ventricles contract. (longer duration & lower pitch than S2 Dub)
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What does the S2 Dup sound represent?
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Caused by the closing of both semi lunar valves when the ventricles undergo diastole (relax)
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to feed the heart blood flows into the heart by way of which vessels
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Left and Right coranary arteries.
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Where is the opening to the Coranary arteries located
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Behind the flaps of aortic semilunar valves. During ventricular diastole, blood in the aorta that backs up behind the closed aortic SL valve flows into the coranary artery.
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A type of "hardening of the arteries" in which lipids & other substances build up on the inside wall of blood vessels
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Atherosclerosis
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Describes severe chest pain that occurs when the Myocardium is deprived of adequate oxygen
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Angina-Angina Pectoris
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What are the electrical structures of the heart
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1. Sinoatrial (SA) node
2. Atrioventrivular (AV) node 3. AV bundle or bundle of HIS splits into the left and right bundle branches 4. Purkinjie fibers |
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Right sided heart failure caused by lund disorder that obstructs normal pulmonary blood flow & thus overloads the right side of the heart
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Cor Pulmonale
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