Fig. 3. Effects of anesthetics on chloride channel–related myotonia. (  A ) Influence of Intralipid (n = 10), DMSO (n = 10), propofol/Intralipid (n = 11), propofol/DMSO (n = 10), and (  B ) sevoflurane (n = 8), halothane (n = 8), and isoflurane (n = 8) on 9-AC (64 μm)–induced myotonia. Data are mean ± SEM. *  P < 0.05, **  P < 0.01, and ***  P < 0.001  versus 9-AC single dose. 9-AC = 9-anthracenecarboxylic acid; DMSO = dimethyl sulfoxide; MAC = minimum alveolar concentration.