Stress echocardiography and perfusion scintigraphy are both useful techniques in the assessment of myocardial viability.
The use of one technique or the other as the first choice test depends mainly on each hospital's experience. Perfusion scintigraphy should be chosen as the first technique in the following situations: a) hospitals with little experience in stress echocardiography and a good Nuclear Medicine department; b) patients with a bad acoustic window in rest echocardiography; c) contraindication of a high dobutamine dose, and d) need of quantification of viable area.
When having chosen echocardiography as the first technique, perfusion scintigraphy is indicated when the response to dobutamine of the asynergic area does not allow the confirmation or the rejection of the presence of viability.
CITATION Rev Esp Cardiol. 1998 Oct;51(10):797-800
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