does difluorodichloromethane ( fc 12 ) sensitize the cardiac muscle in vitro to epinephrine-induced arrhythmia ? we have tried to answer this question by comparing : the action of epinephrine alone on the isolated rabbit heart perfused by an ordinary nutritive solution and the action of epinephrine on the heart perfused by a nutritive solution containing various concentrations of fc 12 .
C0027061
cardiac muscle
C0018787
heart