title: [Drug test for differentiating ventricular and supraventricular paroxysmal tachycardia].
mesh_terms: D003937:Diagnosis, Differential; D004562:Electrocardiography; D006352:Heart Ventricles; D006801:Humans; D008297:Male; D008875:Middle Aged; D013614:Tachycardia, Paroxysmal / Q000175:diagnosis*; D014700:Verapamil
chemical_list: D014700:Verapamil
vernacular_title: Medikamentoznaia proba dlia razlicheniia zheludochkovoĭ i nadzheludochkovoĭ paroksizmal'noĭ takhikardii.