during 20 minutes of cpr initiated immediately upon ventricular fibrillation in anesthetized dogs , left ventricular blood flow was similar with epinephrine ( 45 +/- 9 ml/min/100 g ) or phenylephrine ( 47 +/- 8 ml/min/100 g ) infusion .
C0042510
ventricular fibrillation
C0014563
epinephrine