This journal only 2009, Number 3 Rev Mex Cardiol 2009; 20 (3) Risk stratification of sudden death in patients with structurally healthy hearts Contreras ZE, Zuluaga MSX, Cardozo X Full text How to cite this article Language: Spanish References: 24 Page: 149-159 PDF size: 271.49 Kb. Key words: Sudden death, ventricular tachycardia, ventricular fibrillation. ABSTRACT The sudden death of adult is presented in unexpected ways by evolution, also unexpectedly, of a disease or an unknown causes. According to experts, the heart is behind 85% of cases of sudden death. When the victim is younger than 30 years, it is often associated with a congenital heart disease or genetic transfer, whereas if greater than 30 years is associated with ischemic heart disease, a degenerative disease of the coronary arteries. But as much as 15% of people who have an episode of sudden death have a structurally normal heart which creates a challenge in the diagnosis and treatment. 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