friedreich 's disease ( 20 cases ) in its complete form led to later development of obstructive cardiomyopathy , with a systolic ejection murmur , cardiomegaly , and abnormalities of the ecg -- left ventricular hypertrophy in the vertical axis , right ventricular and septal hypertrophy , repolarisation disorders similar to those found in coronary artery disease .
C0018800
cardiomegaly
C0149721
left ventricular hypertrophy