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A microvolt calibrator for EMG systems

M P Bolton1

  • 1Clinical Engineering, Withington Hospital, Manchester, UK.

Journal of Medical Engineering & Technology
|October 17, 2001
PubMed

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Instrumentation Amplifier01:25

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An electrocardiography (ECG) machine is an essential piece of medical equipment used to monitor the electrical activity of the heart. It operates by detecting small electrical changes on the skin that result from the depolarization of the heart muscle during each heartbeat. However, these signals are in the microvolt range and can be easily overwhelmed by noise or interference.
To overcome this challenge, an ECG machine utilizes an instrumentation amplifier. This specialized amplifier is...