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Cardiac CT: Sensitivity and Specificity

Introduction: None written. Excerpt from the entry in Coronary Artery Disease:
Sensitivity is for >75% stenosis, but specificity is for >50% stenosis (!).

There is a lot of controversy surrounding this technique, especially as in imparts a great amount of radiation and is diagnostically limited in patients with significant coronary artery calcification. I believe this study is representative, but see UpToDate for more.

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Associated Diagnoses:

Coronary Artery Disease

80% sensitive, 97% specific

Coronary Artery Disease

97.2% sensitive, 87.4% specific