To detect in-stent restenosis among patients with coronary stents, a new study shows the potential for improved diagnostic accuracy by adding computed tomography perfusion imaging to coronary CT ...

For patients referred for evaluation of stable angina, a tiered protocol progressing from calcium scans to CT angiography (CTA) to CT myocardial perfusion imaging (MPI) appears to be a viable ...

CT perfusion and angiography failed to meet sensitivity and specificity thresholds to determine brain death. Neither should be used as standalone tests to establish death by neurologic criteria, the ...