ST-segment depression during dipyridamole infusion, and its clinical, scintigraphic and hemodynamic correlates☆
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Cited by (25)
The diagnostic utility of heart rate-corrected ST-segment depression during adenosine nuclear stress testing
2010, Journal of ElectrocardiologyCitation Excerpt :Only 2 of 5 had abnormal conventional ST depression, whereas 4 of 5 had an abnormal ST/HR index. Conventional ST depression during adenosine stress testing has a high positive predictive accuracy for significant CAD but is uncommon, generally occurring in from 3% to 24% of vasodilator stress studies with interpretable ECGs for ischemia.1-9 This range is likely due to the differing prevalence and severity of disease in these populations.
Outcome of Patients With Adenosine-Induced ST-Segment Depression But With Normal Perfusion on Tomographic Imaging
2006, American Journal of CardiologyCitation Excerpt :These results indicate that balanced ischemia could not be a common mechanism for the normal perfusion images. Previous studies have shown that most patients with ST-segment depression during adenosine infusion have reversible defects and only rarely have normal images.9 ST-segment depression is believed to represent coronary artery steal, or a decrease in distal coronary pressure coupled with a minimal increase in the double product (blood pressure times heart rate).
The clinical importance of electrocardiographic changes during pharmacologic stress testing with radionuclide myocardial perfusion imaging
2005, Journal of Nuclear CardiologyQRS score versus ST-segment changes in patients undergoing Tl-201 scintigraphy using dipyridamole infusion
2005, Journal of Nuclear CardiologyPrognostic significance of ischemic electrocardiographic changes during vasodilator stress testing in patients with normal SPECT images
2003, Journal of Nuclear Cardiology
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This study was supported in part by Grant R01 HL26205-09 from the National Heart, Lung, and Blood Institute of the National Institutes of Health, Bethesda, Maryland.