Title :
The electrical amplifying stethoscope and phono-electrocardioscope
fDate :
6/1/1943 12:00:00 AM
Abstract :
The important factors are discussed. A new method is described for the direct visual observation of the phonocardiogram accompanied by a simultaneous electrocardiogram, or phonocardiogram plus sphygmogram, etc., at the patient´s bedside. The heart sounds can be heard at the same time through a special electrical stethoscope which is incorporated in the apparatus.
Keywords :
cathode-ray oscilloscopes; physiology;
Journal_Title :
Electrical Engineers - Part III: Communication Engineering, including the Proceedings of the Wireless Section of the Institution, Journal of the Institution of
DOI :
10.1049/ji-3-1.1943.0012
