phonocatheter

[fō′nō-kăthĭ-tər]

n.

A cardiac catheter with a miniature microphone in its tip used in recording sounds and murmurs from within the heart and large blood vessels.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.