| REGIMEN | STUDY    GROUPS | Number of premature ventricular beats), Mean±S.D. | Duration of ventricular tachycardia (min), Mean±S.D. | Duration of third-degree AV block(min), Mean±S.D. | Absolute termination of arrhythmias    (min.), Mean±S.D. | Time till    fatal outcome (min.), Mean±S.D. | Mortality    rate (surviving/ /dead    rats) | 
      
        | THERAPEUTIC | BASELINE before medication (per 5min) | 5–60 min.    after medication | BASELINE before medication (per 5    min) | 5–60 min    after Medication | BASELINE before medication (per 5    min.) | 5–60 min    after medication |