On the basis of experience gained in vital diagnosis of dissecting aneurysm, its thoracic portion, in 3 patients the authors note that accurate diagnosis of this pathology cannot be made without analysis of a complex of diagnostic studies that rely on a correct assessment of clinical manifestations of the disease. The following items should be noted: particular features of the pain syndrome, migration of the pain zone and relapsing character of pain; lack of a clear-cut interrelation between intensity and duration of pain and frequency of development of cardiogenic shock and cardial asthma; correlation between changes in blood count (leukocytosis) and blood levels of transaminases; absence of the typical ECG features of myocardial infarction, and character of time-related changes.
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