Key result
Acute infarction of the cardiac atria is rarely diagnosed during life, with historical autopsy studies reporting its occurrence in 1 to 17 percent of myocardial infarction cases.
Highlights the historical underdiagnosis of atrial infarction during life despite its documented occurrence in autopsy studies.
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May remain underdiagnosed in acute MI; leaves open whether modern imaging can refine true incidence estimates.
THE diagnosis of acute infarction of the atrium of the heart is made very rarely in comparison with the probable frequency of its actual occurrence. This condition is seldom recognized during life. Atrial infarction occurred either as an isolated entity or as a concomitant finding with ventricular infarction in 17 per cent of the 182 cases of proved myocardial infarction reported in 1942 by Cushing et al.1 Bean,2 however, observed infarction of the atrium in only 3 of 300 autopsies involving myocardial infarction, and Wartman and Hellerstein3 recorded a 7 per cent frequency among 132 infarcted hearts; isolated atrial lesions . . .
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Wilson et al. (1954) conducted a review in Acute infarction of the cardiac atria. Acute infarction of the cardiac atria is rarely diagnosed during life, with historical autopsy studies reporting its occurrence in 1 to 17 percent of myocardial infarction cases.
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