title: Prevention of ventricular tachycardia induction by introduction of a second extrastimulus.
mesh_terms: D006328:Cardiac Catheterization; D003327:Coronary Disease / Q000175:diagnosis / Q000503:physiopathology; D004599:Electric Stimulation Therapy; D006352:Heart Ventricles; D006801:Humans; D008297:Male; D008875:Middle Aged; D013610:Tachycardia / Q000517:prevention & control*