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... > Diagnosis > Diagnostic Techniques and Procedures > Diagnostic Techniques, Cardiovascular > Heart Function Tests > Heart Auscultation > Phonocardiography
... > Diagnosis > Diagnostic Techniques and Procedures > Physical Examination > Auscultation > Heart Auscultation > Phonocardiography

Preferred term

Phonocardiography  

Type

  • Topical Descriptor

Broader concept

Related concepts

Note

  • usually NIM

Scope note

  • 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.

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URI

http://www.yso.fi/onto/mesh/D010701

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