This 1950s historical photograph was provided by the Center for Disease Control's (CDC), National Institute for Occupational Safety and Health (NIOSH). The image depicted a physician who was examining a worker whose job it was to 'formulate', or mix, chemical pesticides for spraying. Such a task would bring the worker into close proximity with toxic chemicals, and therefore, would need stringent oversight by a regulating body such as NIOSH, which would make the health and welfare of such workers a paramount concern. This physician was using a stethoscope and sphygmomanometer, or blood pressure cuff, in order to determine the patient's blood pressure.
CDC/ Barbara Jenkins, NIOSH
November 17, 2012
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