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Published on: February 10, 2012
Computed tomographic angiography of the coronary arteries: techniques and applications
Thomas C Gerber1, Jerome F Breen, Ronald S Kuzo
1Division of Cardiovascular Diseases, Mayo Clinic, Jacksonville, FL 32224, USA. gerber.thomas@mayo.edu
Abstract:
Computed tomographic coronary angiography (CT-CA) is a direct but minimally invasive method of visualizing coronary arteries. Multidetector-row computed tomography (MDCT) is currently the CT modality most commonly used for coronary artery imaging. MDCT has been successfully used to detect stenoses in coronary arteries and coronary artery bypass grafts and to assess congenital coronary anomalies. Patients should not undergo CT-CA with MDCT if they have an irregular heart rhythm, a heart rate greater than 70 beats/min, and contraindications to pharmacologic agents for heart rate control, or if they have severe coronary artery disease or are likely to require revascularization.
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