Clinical applications of cardiac CT angiography.

Insights Into Imaging
Ethan J Halpern

Abstract

ECG-gated multislice CT provides a cost-effective, non-invasive technology for evaluation of the coronary arteries, as well as for additional clinical applications, which require morphological assessment of the heart and adjacent structures with simultaneous evaluation of the coronary circulation.The excellent negative predictive value of a normal coronary CTA (cCTA) examination excludes the presence of significant coronary disease in the symptomatic patient. Triple rule-out studies provide evaluation of the aorta and pulmonary arteries without loss of image quality in the coronary circulation. The ability to visualize surrounding vascular structures along with the coronary arteries is essential in the evaluation of coronary anomalies.Cardiac CTA is useful in non-coronary applications, including evaluation of the thoracic aorta, cardiac valves and other aspects of cardiac morphology that may require surgical or percutaneous repair. Although radiation exposure is a limitation of cCTA relative to echocardiography and MRI, recent technological advances allow coronary imaging with effective doses as low as 1 mSv.Recent advances in evaluation of coronary plaque morphology as well as myocardial perfusion will allow a more complete no...Continue Reading

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Aug 6, 2014·Cardiology Clinics·Swapnesh Parikh, Matthew J Budoff
Nov 17, 2015·Heart Failure Clinics·Swapnesh Parikh, Matthew J Budoff
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Sep 2, 2017·Korean Journal of Radiology : Official Journal of the Korean Radiological Society·Jong Hun KimJong Bum Choi

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