Electrocardiogram of the month. Ventricular tachycardia with normal QRS duration diagnosed by reciprocal beats.
D003937:Diagnosis, Differential; D004562:Electrocardiography; D006352:Heart Ventricles; D006801:Humans; D008722:Methods; D008875:Middle Aged; D013610:Tachycardia / Q000175:diagnosis*