Holter monitor(redirected from Holter)
Also found in: Medical.
A portable device used to measure the electrical activity of the heart over an extended period of time, allowing detection of intermittent arrhythmias and other electrical disturbances.
[After Norman J. Holter (1914-1983), American biophysicist who developed the device.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.