Pulmonary embolism.
D004562:Electrocardiography; D006396:Hematemesis / Q000150:complications; D006493:Heparin / Q000627:therapeutic use; D006801:Humans; D006976:Hypertension, Pulmonary / Q000517:prevention & control; D008297:Male; D008875:Middle Aged; D011655:Pulmonary Embolism / Q000150:complications / Q000000981:diagnostic imaging / Q000188:drug therapy / Q000628:therapy*; D011859:Radiography
D006493:Heparin