cardiotachometer

[kahr-dee-oh-ta-kom-i-ter, -tuh-]

noun

1. an instrument for measuring the heart rate.

Word History and Origins

Origin of cardiotachometer¹

First recorded in 1925–30; cardio- + tachometer

Example Sentences

By means of the cardiotachometer, machine with amplifying vacuum tubes, the tiny electrical current generated by each heart beat makes its record on a paper tape, like those in stock brokers' offices.

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From the electrodes ran 60-ft. wires to a "cardiotachometer," which Dr. Boas devised.

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Vacuum tubes in the cardiotachometer amplified the heart action current which thereupon operated a counting device and a recording pen.

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