URMC Research Network

Find People
Last Name
More Search Options


"Phonocardiography" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure, which enables searching at various levels of specificity.

MeSH information
Graphic registration of the heart sounds picked up as vibrations and transformed by a piezoelectric crystal microphone into a varying electrical output according to the stresses imposed by the sound waves. The electrical output is amplified by a stethograph amplifier and recorded by a device incorporated into the electrocardiograph or by a multichannel recording machine.

This graph shows the total number of publications written about "Phonocardiography" by people in the URMC Research Network by year, and whether "Phonocardiography" was a major or minor topic of these publication.