A 64-year-old woman who presented with progressive exertional dyspnea(NYHA class IIb)over the previous month,unresponsive to adjustments in diuretic therapy.She denied chest pain or palpitations.On physical examinatio...A 64-year-old woman who presented with progressive exertional dyspnea(NYHA class IIb)over the previous month,unresponsive to adjustments in diuretic therapy.She denied chest pain or palpitations.On physical examination,bilateral lower extremity edema and a right parasternal systolic murmur were noted.Electrocardiography showed sinus rhythm with first-degree atrioventricular block and complete right bundle branch block.展开更多
文摘A 64-year-old woman who presented with progressive exertional dyspnea(NYHA class IIb)over the previous month,unresponsive to adjustments in diuretic therapy.She denied chest pain or palpitations.On physical examination,bilateral lower extremity edema and a right parasternal systolic murmur were noted.Electrocardiography showed sinus rhythm with first-degree atrioventricular block and complete right bundle branch block.