Abstract
To describe the localization of pain in consecutive patients admitted to the coronary care unit for possible acute myocardial infarction (AMI) and to relate it to the development of AMI, age, and gender. Prospective evaluation. Sahlgrenska Hospital, covering half the area of the city of Göteborg, with half a million inhabitants. Nine hundred three consecutive patients admitted to the coronary care unit for possible AMI between 24 and 87 years old with a mean age of 64 years. Localizations of pain according to a self-constructed figure. Patient were approached between 1 and 14 days after onset of symptoms and asked to describe the localization of pain according to the figure, including nine positions on the chest, left and right arm, neck, and back. AMI developed in 50% of patients during the first 3 days in hospital. Patients in whom AMI developed localized their pain to an extent similar to those without AMI in seven of nine chest areas. However, patients with AMI reported pain in the upper right square of the chest more frequently (p < 0.001) and in the middle left square of the chest less frequently (p < 0.01) than did patients without AMI. Pain in both the right (p < 0.001) and left arms (p < 0.01) was more frequently reported by patients who had AMI. Among patients with AMI, women reported pain in the neck (p < 0.05) and in the back (p < 0.01) more frequently than did men. Compared with elderly patients, younger patients reported pain more frequently in the left arm (p < 0.01), right arm (p < 0.01), and neck (p < 0.05). Among consecutive patients with possible AMI admitted to the coronary care unit, patients who had confirmed AMI reported pain in both arms more frequently than did patients without AMI. However, both groups described their chest surface distribution of pain similarly in the majority of positions, thereby indicating that the localization of chest pain is of limited use in predicting which patients will eventually have AMI.
Published Version
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