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Holter monitor

American  
[hohl-ter] / ˈhoʊl tər /

noun

  1. a portable electrocardiograph worn by a patient over an extended period of time to assess the effects on heart function of activities of daily living.


Etymology

Origin of Holter monitor

First recorded in 1970–75; named after Norman J. Holter (1914–83), U.S. physicist, who developed it