Sudden Coronary Death in Middle Age and Characteristics of Its Victims in Finland: A Prospective Population Study

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Abstract
A total of 77 sudden coronary deaths (SCD) in men and 7 in women occurred during a 6-yr follow-up in a population comprising 6510 men and 5800 women aged 30-59 yr in 4 areas of Finland. About 60% of all coronary deaths in men aged 40 and over were SCD. The most common place of death was home; only 6 cases reached the hospital. The most common time for SCD was at 0700-1300 h and the most common day was Friday. Deaths were evenly distributed over the year. At the time of the baseline study, 3 1/2 yr before death on an average, male SCD victims showed more symptoms and signs suggestive of coronary disease than those who suffered a non-sudden coronary death or a non-fatal myocardial infarction. More than half of the SCD victims had probable coronary disease at the time of the baseline study. Heart disease was a more common cause of death among the mothers of male SCD victims than among the adult Finnish female population as a whole. Evidently, the majority of candidates for later SCD can be detected early enough for secondary prevention to be attempted.