= (usually diffuse) inflammation of myocardium

Clinical presentation: Similar to acute MI; ECG findings also may mimic acute MI

Treatment: Multicenter trial randomized 111 pts with CHF <2y, LVEF <45%, and bx-proven myocarditis to prednisone plus azathioprine vs. cyclosporine vs no tx for 6mos. All pts got standard CHF tx.; No sig. difference in course of LVEF or mortality over 4-5y (NEJM 333:269, 1995)