title: A CASE OF VENTRICULAR TACHYCARDIA INTRODUCED BY COMBINED TACHYCARDIA WITH WPW COMPLEXES AND EVOKED BY ORTHOSTASIS.
mesh_terms: D005117:Cardiac Complexes, Premature; D004244:Dizziness; D004358:Drug Therapy; D004562:Electrocardiography; D006801:Humans; D011187:Posture; D011342:Procainamide; D012214:Rheumatic Heart Disease; D013610:Tachycardia; D013614:Tachycardia, Paroxysmal; D017180:Tachycardia, Ventricular; D014927:Wolff-Parkinson-White Syndrome
chemical_list: D011342:Procainamide
keywords: DRUG THERAPY; ELECTROCARDIOGRAPHY; EXTRASYSTOLE; POSTURE; PROCAINE AMIDE; RHEUMATIC HEART DISEASE; TACHYCARDIA; TACHYCARDIA, PAROXYSMAL; WOLFF-PARKINSON-WHITE SYNDROME