CCRN Barrons Cardiovascular Key Predicted Questions and CORRECT Answers
Marks the end of diastole, the beginning of systole S1 Caused by closure of AV valves (mitral, tricuspid) & loudest at the apex of the heart (midclavicular, 5th intercostal) S1 Caused by closure of the semilunar valves; can be split by inspiration S2 AV valves tricuspid and mitral semilunar valves pulmonary and aortic This heart sound is louder with a pulmonary embolism S2 Abnormal heart sound associated with heart failure, may occur before crackles S3
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ccrn barrons cardiovascular key predicted questio
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