Description

A 62-year-old patient was admitted to our department for fatigue and chest discomfort. He had a history of multiple myeloma and systemic hypertension. Blood pressure, heart rate and physical examination were unremarkable. ECG demonstrated a normal sinus rhythm with a right bundle branch block (figure 1). Blood was sampled and cardiac troponin (cTn) I was persistently increased from 2.8 to 3 ng/ml (Beckman Coulter Access II and DXi 800 platforms, Beckman Coulter Inc, Fullerton, California, USA). Left ventricular ejection fraction was normal at 0.60 with a trace of aortic regurgitation at transthoracic Doppler echocardiography. Coronary angiography revealed the absence of significant luminal narrowing on …