Fig. 7. (A ) Current–voltage relation depicting effect of propofol on steady state L-type Ca2+current (ICa;left ) in guinea pig ventricular myocytes. Summarized data (right ). (B ) Current–voltage relation depicting effect of propofol on isoproterenol-induced increase in ICa(left ). Summarized data (right ). Results are expressed as percent of control. * P < 0.05 compared with control. n = 10 cells from 4 hearts.