| 摘要 |
FIELD: medicine. SUBSTANCE: method involves applying optoelectronic transducer having radiation source with wavelength in infrared range and photodetector to measure central and peripheral pulse duration which value is graduated in heart beat rate units. Device has optoelectronic transducer, the first and the second amplifier, low frequency filter, Schmidt trigger, measurement pulse generator, electronic key, logic key AND-NOT gate, frequency counter, indication device and run button. Automatic amplification control circuit, memory register and control instruction former are additionally included. EFFECT: enhanced effectiveness of diagnosis. |
