The nurse is preparing to auscultate for heart sounds. Which technique is correct?
a. Listening to the sounds at the aortic, tricuspid, pulmonic, and mitral areas
b. Listening by inching the stethoscope in a rough Z pattern, from the base of the heart across and down, then over to the apex
c. Listening to the sounds only at the site where the apical pulse is felt to be the strongest
d. Listening for all possible sounds at a time at each specified area
ANS: B
Auscultation of breath sounds should not be limited to only four locations. Sounds produced by the valves may be heard all over the precordium. The stethoscope should be inched in a rough Z pattern from the base of the heart across and down, then over to the apex; or, starting at the apex, it should be slowly worked up (see Figure 19-22). Listening selectively to one sound at a time is best.
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