1. Torsades de Pointes Ventricular Tachycardia Associated With Overdose of Astemizole 
KRISHNA A. RAO, M.D., ARUN ADLAKHA, M.D., BIKRAM VERMA-ANSIL, M.D., THOMAS D. MELOY, M.D., MARSHALL S. STANTON, M.D. 
Mayo Clinic Proceedings 
Volume 69, Issue 6, Pages (June 1994)
DOI: /S (12)
Copyright © 1994 Mayo Foundation for Medical Education and Research Terms and Conditions

2. Fig. 1
Twelve-lead electrocardiogram of 20-year-old woman who took overdose of astemizole, showing corrected QT interval of 600 ms (QT, 550 ms) as measured in lead II.11
Mayo Clinic Proceedings  , DOI: ( /S (12) )
Copyright © 1994 Mayo Foundation for Medical Education and Research Terms and Conditions

3. Fig. 2
Rhythm strip, showing polymorphic ventricular tachycardia (torsades de pointes).
Mayo Clinic Proceedings  , DOI: ( /S (12) )
Copyright © 1994 Mayo Foundation for Medical Education and Research Terms and Conditions