Patients discharged from emergency care after acute myocardial infarction was ruled out : early follow-up in relation to gender

• The aim of this research was to describe men and women who were discharged from the emergency department after having an initial suspicion of acute myocardial infarction ruled out in terms of patient characteristics, symptom reevaluation, electrocardiogram and exercise stress test. Consecutive patients below the age of 65 years who came to the emergency department of Sahlgrenska Hospital with acute chest pain or other symptoms raising suspicion of acute myocardial infarction for whom the suspicion was ruled out either directly in the emergency department or less than 1 day after hospital admission were included in the study. Four hundred and eighty-four patients participated, of whom 295 (61%) were men. Men had a higher prevalence of ischaemic heart disease. The cause of pain was judged similarly at reevaluation compared with in the emergency department in 53% of the cases. Only in 4.6% of the cases were the symptoms judged to be caused by myocardial ischaemia on both occasions. At the initial visit 36.0% of the patients were judged to have uncertain cause of the symptoms. This proportion was lowered to 26.4% at reevaluation. The exercise electrocardiogram at reevaluation revealed clinical and electrocardiographic signs indicating definite myocardial ischaemia in 2.6% of the cases. Early follow-up of patients discharged from the emergency department after acute myocardial infarction was ruled out revealed that a low proportion showed signs of myocardial ischaemia. In about half of the cases the judgement differed from that being made in the emergency department.

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