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Original Contributions
September 7, 1964

Epidemiology of Successive Heat Waves in Michigan in 1962 and 1963

Author Affiliations

Ann Arbor, Mich; Detroit

Dr. Schuman is assistant professor in the Department of Epidemiology in the School of Public Health of the University of Michigan. Dr. Anderson is health commissioner of the Detroit Department of Health. Mr. Oliver is principal statistician of the Detroit Department of Health and assistant professor in the Department of Industrial Medicine and Hygiene in the School of Medicine of Wayne State University.

JAMA. 1964;189(10):733-738. doi:10.1001/jama.1964.03070100027005

A sharp rise in the number of deaths occurred during each of two heat waves taking place in Detroit in successive years (May, 1962, and June-July, 1963). Persons aged 60 years or more were at special risk, and cerebrovascular accident was unduly prominent among reported causes of death. When the experience of 1962-1963 is compared with an equivalent in 1953-1955, the increase of cerebrovascular accident among recent heat-related deaths is striking. Among etiological factors to be explored in a follow-up case study of heat victims in Detroit are predisposing or contributing clinical diseases, unusual exposure to environmental heat, and the frequency of electrolyte and drug regimens, particularly those including the newer diuretics and hypotensive agents.