Why the study?
Does excitement alter coronary and systemic energetics in unanesthetized dogs?
Population
Unanesthetized dogs 1–8 weeks after implantation of appropriate flowmeters and other devices
Design
Preclinical
Authors
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Excitement-driven coronary flow changes in dogs are stroke-volume dominant; hypothesis-generating for human emotional stress effects on myocardial energetics.
Does excitement alter coronary and systemic energetics in unanesthetized dogs?
In unanesthetized dogs, excitement increases coronary flow primarily through an increase in stroke coronary flow rather than solely through increased heart rate.
Rayford et al. (1965) studied this question.
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