[A simple and informative method of diagnosing myocardial infarct, based on a determination of blood density]

An increased density of blood revealed in myocardial infarction patients served the basis for a simple and highly informative method developed by the authors to early diagnose myocardial infarction when other methods are not sensitive. The high density of blood is registered upon placing a drop of blood into flakes with sodium chloride solution of different concentration.