_________ is a signal of low amplitude and low frequency content.(a) QRS complex(b) R-R interval(c) ST segment(d) T-P intervalThis question was addressed to me by my college professor while I was bunking the class.Question is taken from QRS Detection Techniques in section Arrhythmia and Ambulatory Monitoring Instruments of Biomedical Instrumentation

_________ is a signal of low amplitude and low frequency content.(a) Q

1.	_________ is a signal of low amplitude and low frequency content.(a) QRS complex(b) R-R interval(c) ST segment(d) T-P intervalThis question was addressed to me by my college professor while I was bunking the class.Question is taken from QRS Detection Techniques in section Arrhythmia and Ambulatory Monitoring Instruments of Biomedical Instrumentation
Answer» The correct answer is (c) ST segment Easiest explanation: The ST segment is a signal of low AMPLITUDE and low-frequency content. Therefore, a sampling rate of 250 samples /s is adequate. To ensure that the ST segment can be measured accurately, the incoming ECG signals must have a low-end BANDWIDTH of 0.05 Hz.

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