Clinical significance of early myocardial 99mTc-pyrophosphate uptake in patients with acute myocardial infarction.


Early 99mTc-pyrophosphate (PYP) scintigrams of 29 patients receiving coronary thrombolysis induced by urokinase, 3.9 +/- 1.2 hours after the onset of acute myocardial infarction (AMI), were evaluated. Intravenous 99mTc-PYP scintigraphy was performed 2.8 to 8.0 hours after the onset of AMI. All 19 patients with positive findings on early scintigrams had good… (More)