Echocardiogram M mode of left ventricle showing severe depression of myocardial contractility (blue arrows showing weak contractility) with wall asynchrony (yellow arrows showing incoordination between the wall muscles) and LV EDV 208 mL and LV ESV 165 mL with estimated ejection fraction of 21% and fraction of shorting of 10%LV EDV: left ventricular end-diastolic volume; LV ESV: left ventricular end-systolic volume; M mode: motion mode