Nápoles LME

Language: Spanish
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Page: 221-222
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Anomalous origins of coronary arteries are rare and they usually represent findings in tomographic studies or conventional coronary angiographies. Some of them may be associated with severe arrhythmias and sudden death, and many of these alterations used to be demonstrated in autopsies of patients with sudden death on exertion. The anomalous origin of the left main coronary artery from the right coronary sinus has been described to be the most frequent and malignant one due to its interarterial course, because it causes extrinsic compression of the coronary vessel between the trunk of the pulmonary artery and the aortic root. The arrhythmogenic myocardial substrate and the ischemia that this produces can lead to sudden death in only one event. The development of tomographic techniques in the imaging acquisition, and its post-processing, has made it possible to diagnose coronary diseases and anatomical variants of their origins and anomalous trajectories courses.