The Mechanism of Secondary MR is Often Misdiagnosed
The patient is a 49-year-old African American female with a history of non-ischemic cardiomyopathy with LVEF 30% and multiple admissions for heart failure. Her medications include Entresto 24/26 mg, Metoprolol XL 50 mg BID, and Spironolactone 25 mg BID. Her BP is 96/54, HR 70-80 in AFib, Cr 1.3, and BNP 1047. A parasternal long-axis echo is performed.
What is the mechanism of mitral regurgitation?