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An instrument consisting of microphones and recording equipment used to monitor and record heart sounds and murmurs.

pho′no·car′di·o·graph′ic adj.
pho′no·car′di·og′ra·phy (-ŏg′rə-fē) n.
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.


(ˌfoʊ nəˈkɑr di əˌgræf, -ˌgrɑf)

an instrument for graphically recording the sound of the heartbeat.
pho`no•car`di•og′ra•phy (-ˈɒg rə fi) n.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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Puspasari, "Wireless tele-auscultation for phonocardiograph signal recording through the zigbee networks," IEEE Asia Pacific Conference on Wireless and Mobile (APWiMob), Bandung, Indonesia, pp.
Other researchers used vascular transit time (VTT) which was calculated from the time difference between photoplethysmograph (PPG) measured at the fingertip and phonocardiograph measured at the chest [11].
EKG & Phonocardiograph Instructor: Robert Kessinger, DC DABCI