1.

____________is the sampling rate of analog-to-digital converter in digitizing of ECG signal in signal conditioning.(a) 200-215 Hz(b) 215 Hz(c) 40-100 Hz(d) 250 HzThis question was addressed to me in exam.The origin of the question is Clinical Data Interchange/Exchange Standards topic in section Telemedicine Technology of Biomedical Instrumentation

Answer»

Right choice is (d) 250 Hz

For explanation I WOULD say: In signal CONDITIONING, ECG signal is amplified, filtered (0.05-100 Hz for diagnostic purposes, 1-40 Hz for MONITORING purposes) and digitized using an 8- or 12-bit analog-to-digital converter with a TYPICAL sampling rate of 250 Hz.



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