PHONOCARDIOGRAPHIC ATTACHMENT TO ELECTROCARDIOGRAPH

摘要

FIELD: medical equipment, in particular, devices intended for recording of cardiac sounds and murmurs with the aim of diagnostic cardiological examinations. SUBSTANCE: with the aid of the phonocardiographic attachment, using low-frequency home-made electrocardiographs, it is possible to record digital information on the phonocardiogram in real-time, store it, then introduce it in the recorder in the analogue form with a retardation by N times. The attachment has a microphone, amplifier, cluster of band-pass filters, analog-to-digital converter unit, on-line storage, digital-to-analog converter unit, matching amplifier unit, control unit. EFFECT: enhanced convenience of examinations. 3 dwg