PHONOCARDIOGRAPHIES
\fˌɒnəkˌɑːdɪˈə͡ʊɡɹəfɪz], \fˌɒnəkˌɑːdɪˈəʊɡɹəfɪz], \f_ˌɒ_n_ə_k_ˌɑː_d_ɪ__ˈəʊ_ɡ_ɹ_ə_f_ɪ_z]\
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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.
By DataStellar Co., Ltd
Word of the day
Quinones
- Hydrocarbon rings which contain two moieties position. They can be substituted in any position except at the ketone groups.
Nearby Words
- phonics
- phonism
- phono-
- phonocamptic
- phonocamptie
- Phonocardiographies
- phonocardiography
- phonogram
- phonogramic
- phonograph
- phonograph album