Fig. 3. Effects of halothane on L-type Ca2+currents (ICa,L) at 36°C. ( A ) Original tracings from one cell, before, during, and after application of halothane (1 minimum alveolar concen-tration or 0.21 mm). ( B ) Summary of the effect of halothane (1 minimum alveolar concentration) on ICa,L(mean ± SD), as measured in five cells ( P < 0.01). ( C ) The effect of halothane (2 minimum alveolar concentration or 0.49 mm) on ICa,L(n = 5, P < 0.01).