Svensk definition
Registrering av hjärtljud och återgivning av ljudpulserna som kurvor, med hjälp av mikrofon, elektrisk signalomvandlare och förstärkare (stetograf).
Phonocardiography
Fonokardiografi
Engelsk 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.
Svenska synonymer
Inga svenska synonymer finns.
Engelska synonymer
Phonocardiographies