A systematic approach to identifying and remedying 60-Hz interference in electrocardiography can isolate sources of noise and guide amplifier design to improve ECG recording quality.
One of the major problems encountered in recording ECG's is the appearance of unwanted 60-Hz interference in the output. This paper examines the many possible sources of interference, and for each provides a description, an identifying test, and a remedy. Then we look at possible equipment imperfections and guidelines for amplifier design to aid in the evaluation of new developments in the field of electrocardiography. As an illustrative example, we apply the procedure for isolating the source of interference to an exposition display in which each visitor could rapidly view his own ECG.
Huhta et al. (Thu,) conducted a review in 60-Hz interference in electrocardiography. Interference isolation procedures and amplifier design guidelines was evaluated. A systematic approach to identifying and remedying 60-Hz interference in electrocardiography can isolate sources of noise and guide amplifier design to improve ECG recording quality.
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