Ventricular tachycardia at will.
D000787:Angina Pectoris / Q000150:complications; D006328:Cardiac Catheterization / Q000009:adverse effects*; D002496:Central Venous Pressure; D006801:Humans; D008297:Male; D008875:Middle Aged; D008991:Monitoring, Physiologic; D013610:Tachycardia / Q000209:etiology*