…mL (normal). A resting transthoracic echocardiogram reveals a left ventricular ejection fraction (LVEF) of 55%, with no obvious structural heart disease or elevated filling pressures…

…Comprehensive laboratory workup, including thyroid function tests and a complete blood count, is normal. A 24-hour Holter monitor reveals an average heart rate of…

…ECG) shows normal sinus rhythm with a narrow QRS duration of 90 ms. His current medications include low-dose lisinopril and carvedilol. Blood pressure is…

…non-compaction (LVNC). He is asymptomatic, has a normal left ventricular ejection fraction (LVEF), and has no family history of cardiomyopathy. When counseling this patient…

Despite a normal ECG, when should further assessment be considered for an athlete according to the recommendations?

…Physical examination did not reveal anything unusual. The ECG shows a heart rate of 69 beats per minute. The PR interval is 180 ms (normal)…

…Your colleague suggests his ECG shows acute perimyocarditis. Are there signs of acute perimyocarditis? Are the precordial T-waves within normal limits? Click to zoom.

…with a history of stable angina undergoes elective coronary artery bypass grafting (CABG). Pre-operative cardiac troponin (cTn) levels were within normal limits. Post-operatively…

…PVCs) causing palpitations and fatigue. An echocardiogram reveals a structurally normal heart with a left ventricular ejection fraction (LVEF) of 58%. He has tried metoprolol…