A Complex Cardiac Arrhythmia

摘要

A 78-year-old woman was admitted for shortness of breath and lower extremity edema. Only a partial medical history was available, and it included diabetes mellitus, hypertension, hypercholesterolemia, and treatment with digoxin. Transthoracic echocardiography revealed severe aortic stenosis, mild systolic ventricular dysfunction, and pulmonary hypertension. Cardiac catheterization showed 80% stenosis of the proximal right coronary artery and a left ventricular ejection fraction of 40%. She underwent aortic valve replacement and single-vessel coronary bypass