To distinguish a physiological split S 2 heart sound, it is best to listen with the stethoscope at the:

The physiological split S1 heart sound is best heard at the second intercostal space left sternal border with inspiration due to the increased venous return to the right heart, delaying the closure of the pulmonic valve compared to the aortic valve.

To distinguish a physiological split S 2 heart sound, it is best to listen with the stethoscope at the:

The physiological split S1 heart sound is best heard at the second intercostal space left sternal border with inspiration due to the increased venous return to the right heart, delaying the closure of the pulmonic valve compared to the aortic valve.

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To Distinguish a Physiological Split S₂ Heart Sound, It Is

Question 11

Multiple Choice

To distinguish a physiological split S₂ heart sound, it is best to listen with the stethoscope at the:

A) Left fifth intercostal space midclavicular line
B) Fourth intercostal space left sternal border with patient holding his or her breath
C) Second intercostal space left sternal border with inspiration
D) Fourth intercostal space right sternal border with expiration

Correct Answer: