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In the cardiotocograph, the sensitivity of _______ of recording chart allows adequate reading of the recorder FHR.(a) 30 bpm / cm(b) 10 bpm / cm(c) 20 bpm / cm(d) 15 bpm / cmI have been asked this question by my school teacher while I was bunking the class.This intriguing question comes from Data Compression Techniques topic in section Arrhythmia and Ambulatory Monitoring Instruments of Biomedical Instrumentation

Answer»

Right choice is (C) 20 BPM / cm

To explain: Normally, an accuracy of measurement of foetal heart rate may be 2-3% for classification for responses. SENSITIVITY of 20 bpm /cm of the recording chart allows adequate reading of the RECORDER FHR. Labour activity and FHR traces are usually recorded simultaneously on the same time SCALE.



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