title: Paroxysmal ventricular tachycardia with rate-dependent coupling intervals.
mesh_terms: D005117:Cardiac Complexes, Premature / Q000175:diagnosis / Q000503:physiopathology; D004562:Electrocardiography; D006339:Heart Rate / Q000502:physiology*; D006801:Humans; D008297:Male; D008875:Middle Aged; D013614:Tachycardia, Paroxysmal / Q000175:diagnosis / Q000503:physiopathology*; D013997:Time Factors