Diagnose this: the puzzle of pain. Which symptoms suggest a heart attack--and which don't?
D000368:Aged; D000787:Angina Pectoris / Q000175:diagnosis; D003937:Diagnosis, Differential; D004417:Dyspnea / Q000209:etiology; D005260:Female; D006801:Humans; D008297:Male; D009203:Myocardial Infarction / Q000150:complications / Q000175:diagnosis*