title: Letter: Cardiac tamponade.
mesh_terms: D006328:Cardiac Catheterization / Q000009:adverse effects*; D002305:Cardiac Tamponade / Q000209:etiology* / Q000628:therapy; D004566:Electrodes / Q000009:adverse effects*; D005260:Female; D006335:Heart Injuries / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged; D010490:Pericardial Effusion / Q000209:etiology