Which of the following option is correct regarding the sensitivity of an electrocardiograph?(a) 10 mm/mV(b) 15 mm/mV(c) 20 mm/mV(d) 25 mm/mVI have been asked this question by my school teacher while I was bunking the class.The question is from Biotelemetry Application on Wimax Networks topic in division Biomedical Telemetry of Biomedical Instrumentation

Which of the following option is correct regarding the sensitivity of

1.	Which of the following option is correct regarding the sensitivity of an electrocardiograph?(a) 10 mm/mV(b) 15 mm/mV(c) 20 mm/mV(d) 25 mm/mVI have been asked this question by my school teacher while I was bunking the class.The question is from Biotelemetry Application on Wimax Networks topic in division Biomedical Telemetry of Biomedical Instrumentation
Answer» Correct option is (a) 10 mm/mV For explanation I would say: Time measurements and heart rate measurements are made HORIZONTALLY on the electrocardiogram. Electrocardiograms are almost invariably recorded on graph paper with horizontal and vertical lines at 1 mm INTERVALS with a thicker line at 5 mm intervals. Amplitude measurements are made vertically in millivolts. The sensitivity of an ELECTROCARDIOGRAPH is typically set at 10 mm/mV.

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