Epinephrine-induced cardiac arrhythmias in rabbits exposed to tetrachloroethylene.
Control rabbits or those treated with 2,4-dichloro-6-phenylphenoxyethyldiethylamine-HBr (Lilly 18947), an inhibitor of microsomal mixed-function oxidases, were exposed to 5200 ppm tetrachloroethylene in an inhalation chamber under dynamic airflow conditions for 1 h. Even at this high concentration, tetrachloroethylene was only weakly arrhythmogenic when animals were challenged with up to 3 micrograms/kg epinephrine i.v. Unlike trichloroethylene and methylchloroform, the arrhythmogenicity of tetrachloroethylene was not potentiated by treatment with Lilly 18947.[1]References
- Epinephrine-induced cardiac arrhythmias in rabbits exposed to tetrachloroethylene. Carlson, G.P. Toxicol. Lett. (1983) [Pubmed]
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