FIELD: medicine.
SUBSTANCE: invention refers to medical equipment. A device for suppressing a power-frequency noise effect on an electric cardiosignal comprises a TR-segment time domain selection unit (2), a key element (8), a filter (14), an amplifier (15), a delay unit (16) and a subtract unit (17). An input of the device is connected to the first input of the key element and an input of the delay unit; an output of the device is an output of the subtract unit. The device comprises an electric cardiosignal second derivative forming unit (1), a comparator (3), an RS-trigger (4), an AND circuit (5), a binary counter (6), a decoder (7), second (9), third (10), fourth (11) and fifth (12) key elements and a scaling amplifier (13).
EFFECT: using the invention enables the higher noise resistance of the analysed electric cardiosignal without misrepresenting information components.
8 dwg
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