Isoproterenol tilt-table testing in patients with syncope and structural heart disease.
We studied 55 patients with syncope and structural heart disease using both tilt-table testing and electrophysiologic studies. Although sustained ventricular tachycardia was found in 21 of 55 patients (38%), and neuromediated syncope in 18 of 51 patients (35%), only 16% of patients with ventricular tachycardia had a positive tilt-table test.
Sheldon
R
R
Cardiovascular Research Group, University of Calgary, Alberta, Canada.
Rose
S
S
Koshman
M L
ML
D000318:Adrenergic beta-Agonists; D000368:Aged; D005260:Female; D006331:Heart Diseases / Q000503:physiopathology*; D006439:Hemodynamics; D006801:Humans; D007545:Isoproterenol; D008297:Male; D008875:Middle Aged; D012680:Sensitivity and Specificity; D013575:Syncope / Q000503:physiopathology*; D018667:Tilt-Table Test / Q000009:adverse effects / Q000379:methods*
D000318:Adrenergic beta-Agonists; D007545:Isoproterenol