Emergency medicine. When should you go to the emergency room?
D015746:Abdominal Pain / Q000628:therapy; D001145:Arrhythmias, Cardiac / Q000628:therapy; D002637:Chest Pain / Q000628:therapy; D004417:Dyspnea / Q000628:therapy; D004630:Emergencies; D004636:Emergency Service, Hospital; D006801:Humans; D002546:Ischemic Attack, Transient / Q000628:therapy; D013575:Syncope / Q000628:therapy