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A Poor Tired Monkey

Normal Heart Sounds, Systole, and Diastole

QuestionAnswer
A (S2) Aortic Valve, Right sternal border, 2nd intercostal space, S2, lub DUB (2nd sound is louder)
Poor (S2) Pulmonic Valve, Left sternal border, 2nd intercostal space, S2, lub DUB (2nd sound is louder)
Tired (S1) Tricuspid,Left sternal border, 4th intercostal space, S1, LUB dub (1st sound louder)
Monkey (S1) Mitral valve, Left midclavicular line, 5th intercostal space, LUB dub (1st sound louder) PMI- point of maximal impulse, Apex of the heart, Apical impulse
What happens during Systole? The ventricles contract and send blood out from the right ventricle to the pulmonary artery and from the left ventricle to the Aorta
What happens during Diastole? The Atria contract to move blood into the ventricles and coronary arteries
The closing of which valves cause the Lub (S1) sound? As systole begins, pressure in the ventricles rises until the Mitral and Triscuspid valves close making the LUB (S1) sound.
The closing of which valves cause the DUB (S2) sound? The Aortic and Pulmonic valves.
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