[Comparative study of the effectiveness of Bonnecor and ethacizine in various disorders of cardiac rhythm]. / Sravnitel'noe issledovanie éffektivnosti bonnekora i étatsizina pri nekotorykh narusheniiakh serdechnogo ritma.

The data obtained on 68 patients suffering from cardiac arrhythmia treated with bonnecor or ethacizine demonstrate that bonnecor corrects ventricular extrasystole including high-grade arrhythmia in 80.4% of the patients while ethacizine in 84.6%. Acute tests with the drugs can effectively prognosticate the outcomes of bonnecor or ethacizine long-term treatment. The drugs eliminate delta-wave and stimulation-induced arrhythmias in 90% and 44-56% of patients with WPW syndrome, respectively. Bonnecor is less effective in nodal tachycardia. Both the drugs noticeably suppress conductivity.