Sensitivity of _______ bpm/cm of the recording chart allows adequate reading of the recorded FHR.(a) 5(b) 10(c) 15(d) 20The question was posed to me by my school principal while I was bunking the class.I would like to ask this question from Exercise Stress Testing topic in portion Arrhythmia and Ambulatory Monitoring Instruments of Biomedical Instrumentation

Sensitivity of _______ bpm/cm of the recording chart allows adequate r

1.	Sensitivity of _______ bpm/cm of the recording chart allows adequate reading of the recorded FHR.(a) 5(b) 10(c) 15(d) 20The question was posed to me by my school principal while I was bunking the class.I would like to ask this question from Exercise Stress Testing topic in portion Arrhythmia and Ambulatory Monitoring Instruments of Biomedical Instrumentation
Answer» The correct answer is (d) 20 For explanation I would say: Cardiotocographs are designed to measure and record FOETAL heart rate on a beat-to-beat basis RATHER than on an average basis. Normally, accuracy of measurement MAY be 2–3% for the classification of responses. The sensitivity of 20 bpm/cm of the recording chart ALLOWS adequate reading of the recorded FHR.

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