Anomalous intracavitary right coronary artery shown by cardiac CT: A potential hazard to be aware of before various interventions |
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Authors: | Roderick M Zalamea Daniel W Entrikin Thomas Wannenburg J Jeffrey Carr |
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Institution: | a Department of Radiology, Clinical Cardiac Electrophysiology, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157-1088, USA b Department of Cardiology, Clinical Cardiac Electrophysiology, Wake Forest School of Medicine, Medical Center Boulevard, Winston-Salem, NC 27157-1088, USA |
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Abstract: | Intracavitary right coronary arteries (RCAs) are uncommon (incidence of 0.09%-0.1%), having previously been reported nearly exclusively in autopsy series. However, more recently this entity has been detected prospectively by noninvasive cardiac computed tomography. Because many interventional procedures, including pacemaker placement and atrial flutter ablation, may be influenced by the presence of an intracavitary RCA, this entity is important to recognize. We report two cases of intracavitary right coronary artery discovered prospectively by cardiac computed tomography. In one of these cases, interventional management was altered based on our findings. |
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Keywords: | Cardiac computed tomography Coronary computed tomography Intra-atrial right coronary artery Intracameral right coronary artery Intracavitary right coronary artery |
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