Abstract
In Brief Although electronic health records (EHRs) were designed as individual-level documentation tools for patient-provider clinical interactions, some have advocated for their use in population-level health surveillance efforts. Limited research exists on this utility of EHRs, but some investigators have used them successfully to estimate the prevalence of chronic disease events and heart disease risk factors. This article reviews such studies and describes EHR use in the Heart of New Ulm project, a large 10-year intervention designed to reduce the incidence of myocardial infarctions and improve heart disease risk factors in a rural Minnesota community.
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