]> 2026-07-31T07:29:23+00:00 WBR0016 0 en Tuberculous pericarditis This is the correct answer. Coxsackie virus pericarditis Coxsackie virus pericarditis will give a clear transudative pericardial effusion. Collagen vascular disease induced pericarditis Collagen vascular disease induced pericarditis will give a clear transudative pericardial effusion. Myxedema Myxedema induced pericarditis will give a clear transudative pericardial effusion. Drug induced pericarditis Drug induced pericarditis will give a clear transudative pericardial effusion. The correct answer is tuberculous pericarditis. Among all of the options given, TB pericarditis is the only cause of bloody pericardial effusion. Malignant pericarditis is another cause of bloody pericardial effusion. Other rare causes are rheumatic fever, post-cardiac injury, post-myocardial infarction and uremic pericarditis.<br/> '''Educational Objective:''' <br/> '''References:''' Internal medicine Raviteja Reddy Guddeti MBBS, Aarti Narayan MBBS A 45 year old male presented to the office with complaints of dyspnea and mild retrosternal chest pain radiating to the back and the shoulders. It is aggravated with lying down and coughing, and is relieved by sitting up and leaning forward. Physical examination is essentially normal. EKG shows widespread ST elevations and PR segment depressions. Echocardiogram showed mild effusion in the pericardial sac. Over the subsequent days, he developed progressive dyspnea. A therapeutic pericardiocentesis showed bloody fluid. What is the most likely diagnosis? A Cardiovascular 2020-10-27T23:04:05Z 2459150.461169 WBR0016