Enhanced arrhythmogenicity of Freon 113 by hypoxia in the perfused rat heart
Journal Article
·
· Toxicology and Industrial Health; (USA)
- Tokyo Medical and Dental Univ. Faculty of Medicine (Japan)
The interaction of Freon 113 (1,1,2-trichloro-1,2,2-trifluoroethane) and hypoxia on the heart conduction system was studied using electrocardiogram monitoring of isolated perfused rat hearts. Freon 113 (0.2 mM) alone elicited significant atrioventricular conduction delay (p less than 0.05) and heart rate decrease (p less than 0.01), which were significantly enhanced by hypoxia (75% oxygen decrease), for instance, resulting in 2:1 AV block. The data suggest that arrhythmogenicity of Freon 113 on the heart conduction system may be enhanced synergistically by hypoxia.
- OSTI ID:
- 6065848
- Journal Information:
- Toxicology and Industrial Health; (USA), Vol. 6:3-4; ISSN 0748-2337
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
FREONS
BIOLOGICAL EFFECTS
HEART
SENSITIVITY
ANOXIA
ELECTROCARDIOGRAMS
METABOLISM
PERFUSED ORGANS
RATS
SYNERGISM
ANIMALS
BODY
CARDIOVASCULAR SYSTEM
DIAGRAMS
HALOGENATED ALIPHATIC HYDROCARBONS
MAMMALS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANS
RODENTS
VERTEBRATES
560300* - Chemicals Metabolism & Toxicology
FREONS
BIOLOGICAL EFFECTS
HEART
SENSITIVITY
ANOXIA
ELECTROCARDIOGRAMS
METABOLISM
PERFUSED ORGANS
RATS
SYNERGISM
ANIMALS
BODY
CARDIOVASCULAR SYSTEM
DIAGRAMS
HALOGENATED ALIPHATIC HYDROCARBONS
MAMMALS
ORGANIC COMPOUNDS
ORGANIC HALOGEN COMPOUNDS
ORGANS
RODENTS
VERTEBRATES
560300* - Chemicals Metabolism & Toxicology