The nurse hears a murmur between the S1 and S2 heart sounds at the patient's left fifth inter-costal space and midclavicular line. How will the nurse record this information?
a. Systolic murmur heard at mitral area
b. Systolic murmur heard at Erb's point
c. Diastolic murmur heard at aortic area
d. Diastolic murmur heard at the point of maximal impulse
ANS: A
The S1 signifies the onset of ventricular systole. S2 signifies the onset of diastole. A murmur oc-curring between these two sounds is a systolic murmur. The mitral area is the intersection of the left fifth intercostal space and the midclavicular line. The other responses describe murmurs heard at different landmarks on the chest and/or during the diastolic phase of the cardiac cycle.
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