Epidemiology and stratification of risk for sudden cardiac death.

  title={Epidemiology and stratification of risk for sudden cardiac death.},
  author={Philip J. Podrid and Robert Jerome Myerburg},
  journal={Clinical cardiology},
  volume={28 11 Suppl 1},
Sudden cardiac death (SCD) is a major cause of mortality in the United States. Approximately 65% of cases of SCD occur in patients with underlying acute or chronic ischemic heart disease. The incidence of SCD increases 2- to 4-fold in the presence of coronary disease and 6- to 10-fold in the presence of structural heart disease. Ventricular fibrillation (VF) precipitated by ventricular tachycardia (VT) is a common mechanism of cardiac arrest leading to SCD. Triggers for SCD include electrolyte… CONTINUE READING