Why the study?
Does intravenous infusion of catecholamines produce different left ventricular responses compared to spontaneous activity or exercise in intact dogs?
Does intravenous infusion of catecholamines produce different left ventricular responses compared to spontaneous activity or exercise in intact dogs?
Intravenous catecholamine infusion produces distinct left ventricular performance changes compared to exercise in intact dogs, suggesting direct neural reflex influences on the left ventricle.
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Should not guide catecholamine use in patients; leaves open neural reflex contributions to ventricular performance in humans.
Rushmer et al. (1957) studied this question.
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