cells pretreated with pharmacologic amounts of atropine ( 0.08 microgram/ml ) , ouabain ( 0.02 microgram/ml ) , lidocaine ( 16 microgram/ml ) , and quinidine ( 20 microgram/ml ) continued to demonstrate the initial asystole , although quinidine and lidocaine diminished the frequency of arrhythmias in the recovery stage .
C0023660
lidocaine
C0003811
arrhythmias