Case 227. Reference case 227B

　 　 　 　
　 Giant cell myocarditis in a 23 y-o female. Marked loss of cardiomyocytes is noted (HE). 　
　 　 　 　

　

 　 The etiology of this acute lethal condition is unknown. The cause of idiopathic myocarditis can be viral or rickettsial.