Why the study?
Do isoprenaline, atropine, and dobutamine alter ventricular volume curves and mean ejection time measured by radionuclide ventriculography?
Population
22 patients undergoing radionuclide gated blood pool imaging
Comparison
Infusion of isoprenaline, atropine, or dobutamine vs Baseline (control) measurements prior to infusion
Design
Cohort
Authors
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Radionuclide ventriculography may detect inotropic effects on ejection fraction and time; leaves open its clinical utility beyond research settings.
Do isoprenaline, atropine, and dobutamine alter ventricular volume curves and mean ejection time measured by radionuclide ventriculography?
Radionuclide gated blood pool imaging can effectively detect early systolic changes in ventricular performance induced by inotropic agents using the mean ejection time index.
Muir et al. (1980) studied this question.
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