Why the study?
What electrocardiographic and angiographic factors determine the responsiveness of ventricular asynergic zones to sublingual nitroglycerin?
Population
36 patients with ventricular asynergic zones undergoing angiographic evaluation
Design
Cross-sectional
Authors
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May identify reversible asynergy on ECG/angiography; hypothesis-generating for therapeutic decisions.
What electrocardiographic and angiographic factors determine the responsiveness of ventricular asynergic zones to sublingual nitroglycerin?
The presence of coronary collaterals and the absence of pathologic Q waves are significant predictors of reversible myocardial asynergy in response to nitroglycerin.
Banka et al. (1974) studied this question.
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