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Use and accuracy of state death certificates for classification of sudden cardiac deaths in high-risk populations.
Every NR, Parsons L, Hlatky MA, McDonald KM, Thom D, Hallstrom AP, Martin JS, Weaver WD. Use and accuracy of state death certificates for classification of sudden cardiac deaths in high-risk populations. American heart journal. 1997 Dec 1; 134(6):1129-32.
In a large cohort of patients with known or suspected coronary disease, we evaluated the characteristics of 407 patients who died after hospital discharge and tested whether the state death certificate can be used to classify deaths as sudden cardiac versus nonsudden. Compared with a paramedic classification system based on heart rhythm, the death certificate-based classification resulted in a sensitivity that ranged from 78% to 85% and a specificity that ranged from 25% to 58%. We conclude that the death certificate can be used to identify cases of sudden cardiac death in patients at high risk; however, there is a substantial rate of false-positive sudden death classification.