What technique should the nurse use to best auscultate the second heart sound?
A. Place the bell of the stethoscope at the base of the heart.
B. Place the diaphragm of the stethoscope at the base of the heart.
C. Place the bell of the stethoscope at the left sternal border of the heart.
D. Place the diaphragm of the stethoscope at the left sternal border of the heart.
B
The second heart sound reflects closing of the aortic and pulmonic valves. This sound is higher pitched and heard best at the base of the heart. The diaphragm of the stethoscope is better at picking up higher pitched sounds.
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