A nurse is assessing a client who has mitral valve stenosis. Which of the following findings should the nurse expect?

Rationale: A. Incorrect because mitral valve stenosis typically does not cause bradycardia. The heart rate may remain normal or even increase, particularly if the client develops atrial fibrillation, which is a common complication due to left atrial enlargement from the stenotic mitral valve. B. Incorrect because digital clubbing is usually associated with chronic hypoxia seen in congenital heart defects, cystic fibrosis, or long-standing pulmonary disease. Mitral valve stenosis alone does not directly cause hypoxia severe enough to result in clubbing. C. Incorrect because barrel chest is associated with chronic obstructive pulmonary disease (COPD) and results from hyperinflation of the lungs. Mitral valve stenosis affects cardiac function and pulmonary circulation but does not cause the structural chest changes seen in COPD. D. Correct because mitral valve stenosis involves narrowing of the mitral valve, impeding blood flow from the left atrium to the left ventricle during diastole. This leads to turbulent blood flow, producing a characteristic diastolic murmur. The murmur is best heard at the apex of the heart with the client in the left lateral position and may be accompanied by a loud first heart sound (S1) and an opening snap, which is an early diastolic sound caused by the stiff mitral valve leaflets opening. Additional findings may include dyspnea, fatigue, and signs of left atrial enlargement on imaging.