title: Intrapericardial spontaneous contrast echoes in pneumopyopericardium due to a gas-forming organism.
mesh_terms: D000038:Abscess / Q000175:diagnosis*; D004452:Echocardiography; D004927:Escherichia coli Infections / Q000175:diagnosis*; D006801:Humans; D008297:Male; D008875:Middle Aged; D011026:Pneumopericardium / Q000175:diagnosis* / Q000209:etiology