The use of multidetector computed tomography (MDCT)
angiography (64-slice scanner) after presentation to the ED
with chest discomfort, a nondiagnostic ECG, and negative
cardiac biomarkers has also been demonstrated to have high
sensitivity and specificity for CAD and ACS.155,156 The use of
MDCT angiography for selected low-risk patients can be
useful to allow for safe early discharge from the ED (Class
IIa, LOE B).
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