[The clinical course and cardiohemodynamic status of patients with different variants of diphtheritic myocarditis].

The clinical course was studied as was the condition of cardiohemodynamics in 126 patients with different variants of diphtherial myocarditis (DM) versus 23 patients with unspecific infectious and allergic myocarditis (UIAM). Early DM in the majority of cases runs a moderately severe or severe course because of a stronger--by comparison with late DM and UIAM--predisposition to cardiac insufficiency, sinus bradycardia and heart blocks as well as of a moderately severe systolic dysfunction of the left ventricle (LV), as evidenced by Echo-CG. Late DM runs, on the whole, a mild course, and is associated with minimal LV systolic function inadequacies.