Which patient for coronary CTA would not be appropriate?
A. Patients admitted for a ST elevation MI and have positive Troponin B. Patients with borderiine or equivocal positive stress tests C. Patient with atypical chest pain, a LBBB of unknown duration, with normal serial cardiac enzymes D. Patients who are admitted to rule out MI, with negative biomarkers (negative Troponin)
The correct answer to this question is A, Patients admitted for an ST elevation MI and have positive Troponin. Coronary CTA stands for Coronary tomography angiography. It is used to access the heart's coronary arteries. This is done when a radiocontrast of injection is performed.
From there, a CT scanner is used to scan the heart. This scanning allows doctors to evaluate the occlusion in the arteries. The purpose of this is to find if one has coronary artery disease. Though its' purpose is useful, there are side effects such as high radiation exposure and the possibility of getting cancer.