[Electrocardiogram with alternation of different forms of ventricular complexes].
D004562:Electrocardiography; D006352:Heart Ventricles; D006801:Humans; D008297:Male; D008875:Middle Aged; D012119:Respiration
Elektrokardiogramma s cheredovaniem razlichnykh po forme zheludochkovykh kompleksov.