Cardiovascular Statue of Female

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Abstract
Cardiovascular status of beagle dogs was assessed after five years’ exposure to temperature- and humidity-conditioned filtered air, or to one of the following air pollutant treatments: raw auto exhaust (RAE); irradiated auto exhaust (IAE); oxides of sulfur (SOX); RAE + SOX; “low” nitric oxide and “high” nitrogen dioxide; and “high” NO and “low” NO2. Incidence of both electrocardiographic and vectorcardiographic abnormalities suggested association between air pollution exposure and cardiac electrophysiologic dysfunction, which may or may not have pathologic basis, Incidences of pulmonary and systemic hypertension did not show association with air pollutant exposure. It is speculated that atherosclerosis was responsible for two myocardial infarctions observed, and that atherosclerotic process, if present, was potentiated by carbon monoxide, as has been reported in other animal species.

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