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significant stenoses. In 10 cases, stress echocardiography was a true positive test with respect to coronary angiography. There were 11 true negative , 1 false positive , and 3 false negative tests ...
-CTP quantitative vs. Rest -cCTA P-value Rest -cCTA + stress -CTP visual vs. Rest -cCTA + stress -CTP quantitative Vessel-based analysis True positive 72 67 61 True negative 144 176 172 False positive 47 ...
stress with false positive or false negative results minimized by empathic instruction, CFC analysis or repeat PET after strict caffeine abstention for definitive individualized risk stratification ...
18 True negative 37 46 44 23 False positive 19 9 4 25 False negative 4 5 13 10 % Accuracy 73 83 78 54 % Sensitivity 86 (67–96) 81 (62–94) 54 (34–72) 64 (44–81) % Specificity 66 (52–78) 84 (71–92) 92 ...
angiography (CTA) is at least equivalent to other non-invasive tests , yet concerns exist about higher downstream catheterizations and revascularization rates. To avoid negative invasive angiograms ...
to exclude coronary artery disease in selected patients in whom a false - positive stress test result is suspected. Our results indicate that a negative MDCT coronary angiogram could have a significant ...
prognosis for cardiovascular mortality and morbidity.3,4 However, it is reported that 10% of stress perfusion studies are false - negative .5 It has been proposed that one-third of false - negative studies may ...
stress test result to undergo a coronary angiogram . Thus, in stress testing , the test sensitivity and specificity are affected by referral bias (ie, the preferential selection of patients with positive ...
been suggested including false - negative SPECT or false - positive FFR results. False - negative SPECT may be due to inadequate vasodilatation during stress , for example due to recent caffeine intake ...
was 98% (CK-MB mass, 91%; CK activity, 61%; P < 0.01). In 38% of the patients with unstable angina, at least one positive cTnI test was found (CK-MB mass, 4%; CK activity, 2%). No false - positive test ...
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