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[An epidemiological study on coronary sudden death in Beijing].

An epidemiological study on coronary sudden death (CSD) had been carried out in defined areas of Beijing, covering a population of approximately 700,000, for a period of two years, 1984 to 1985. A total of 201 cases of CSD had been registered. The data showed: 1) half of the coronary death in the population were CSD and the rate of CSD increased with age; 2) the rate of CSD in males was higher than that in females; 3) most cases of CSD had a history of cardiovascular diseases; 4) 85% of CSD cases died within 6 hours after acute onset; 5) about half of the CSD cases had predominant symptoms with lower specificity. Some issues about the diagnostic criteria of CSD and cardiac-pulmonary resuscitation outside hospital in the communities of Beijing were discussed in detail.