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      Patients admitted to the emergency room with symptoms indicative of acute myocardial infarction.

      Journal of Internal Medicine
      Adolescent, Adult, Age Factors, Aged, Aged, 80 and over, Chest Pain, etiology, Confounding Factors (Epidemiology), Drug Therapy, Emergency Service, Hospital, Female, Humans, Male, Middle Aged, Myocardial Infarction, complications, diagnosis, Patient Admission, Smoking, Sweden, Transportation of Patients

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          Abstract

          All 7157 patients (55% men) admitted to the emergency room with chest pain or other symptoms indicative of acute myocardial infarction during a period of 21 months were registered consecutively. Chest pain was reported by 93% of the patients. On the basis of history, clinical examination, and electrocardiogram in the emergency room, all patients were prospectively classified in one of four categories: (i) obvious infarction (4% of all patients); (ii) strongly suspected infarction (20%); (iii) vague suspicion of infarction (35%); and (iv) no suspected infarction (41%). In patients with no suspected infarction (n = 2910), musculoskeletal (26%), obscure (21%) and psychogenic origins (16%) of the symptoms occurred most frequently. We conclude that few of the patients had an obvious infarction on admission, and that a musculoskeletal origin of the symptoms occurred most frequently in patients with no suspected infarction.

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