Myocardial infarction pain : systematic description and analysis

• The aim of the study was to describe various components of pain in suspected acute myocardial infarction (MI). Ninety-four patients admitted to a Coronary Care Unit (CCU) complaining of chest pain with the preliminary diagnosis suspect MI were included in the study. Thirty-eight subjects were eventually diagnosed as having MI and 56 subjects as non-MI. A comparison of chest pain description was performed between MI and non-MI subjects. The Pain-o-meter (POM) and the Visual Analogue Scale (VAS) were used to assess pain intensity. MI patients reported more intense sensory and affective pain than non-MI patients. MI patients also reported more intense affective pain than sensory pain, whereas non-MI patients reported just the opposite. The number of affective words chosen by MI patients differentiated them more clearly from non-MI patients than any other factor in the pain description. Pain intensity was significantly correlated to the estimated size of the infarct.

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