A nurse assesses a client with mitral valve stenosis. What clinical manifestation should alert the nurse to the possibility that the client's stenosis has progressed?
a. Oxygen saturation of 92%
b. Dyspnea on exertion
c. Muted systolic murmur
d. Upper extremity weakness
ANS: B
Dyspnea on exertion develops as the mitral valvular orifice narrows and pressure in the lungs increases. The other manifestations do not relate to the progression of mitral valve stenosis.
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