A nurse assesses a client who has mitral valve regurgitation. For which cardiac dysrhythmia should the nurse assess?
a. Preventricular contractions
b. Atrial fibrillation
c. Symptomatic bradycardia
d. Sinus tachycardia
ANS: B
Atrial fibrillation is a clinical manifestation of mitral valve regurgitation and stenosis. Preventricular contractions and bradycardia are not associated with valvular problems. These are usually identified in clients with electrolyte imbalances, myocardial infarction, and sinus node problems. Sinus tachycardia is a manifestation of aortic regurgitation due to a decrease in cardiac output.
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