Concept information
Preferred term
Phonocardiography
Type
-
mesh:Descriptor
Definition
- 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.
Broader concept
Allowable Qualifier(s)
- adverse effects (Qualifier)
- classification (Qualifier)
- drug effects (Qualifier)
- economics (Qualifier)
- ethics (Qualifier)
- history (Qualifier)
- instrumentation (Qualifier)
- methods (Qualifier)
- mortality (Qualifier)
- nursing (Qualifier)
- psychology (Qualifier)
- radiation effects (Qualifier)
- standards (Qualifier)
- statistics & numerical data (Qualifier)
- trends (Qualifier)
- veterinary (Qualifier)
In other languages
-
French
URI
http://data.loterre.fr/ark:/67375/JVR-KVB3N71P-8
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