From the Departments of Medicine and Pathology of the Worcester State Hospital, Worcester, Massachusetts. Barton, Walter E. — Assistant Physician, Medical Service, Worcester State Hospital ...

For unclear reasons, the drugs minoxidil, penicillins and methysergide have been shown to cause pericardial effusion. Hemorrhage into the pericardium during invasive procedures such as ...

as can be seen in a pericardial effusion from a malignancy. Rarely, left ventricular free wall rupture can occur after an MI causing hemorrhage into the pericardium and cardiac tamponade ...