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The Egyptian Heart Journal
Fig. 3 | The Egyptian Heart Journal

Fig. 3

From: Coronary computed tomography versus coronary angiography for preoperative coronary assessment before valve surgery

Fig. 3

Demonstration of a case of aortic coarctation with the inability to pass the catheter. A Difficult passage of catheter due to aortic coarctation. B VRT of CT aortography reveals aortic coarctation just distal to the origin of the left subclavian artery. C Non-selective injection of contrast by catheter due to the difficult engagement of coronaries. D VRT of CCTA reveals the anatomy of different coronary arteries. E, F MPR of CCTA reveals normal LCX and LAD, respectively

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