Percutaneous Coronary Intervention and Stenting
A 65-year-old woman with a history of coronary artery disease, prior coronary artery bypass graft 13 years ago, and coronary angioplasty with stent placement twice in the last 10 years developed shortness of breath and was found to have severe mitral regurgitation on echocardiography. She subsequently had mitral valve repair but after surgery had persistent shortness of breath.
QUESTION 1. What is the linear echo density in the left atrium in Figures 54-1 and 54-2 and Videos 54-1 and 54-2?