4/14/2023 0 Comments Muscle artifact meaning![]() “The sleep technologist’s role is to identify artifacts and understand what is causing them. Artifact can not only mask or reduce the visibility of clinically significant PSG information, but it can also create false-positive and false-negative results.” Role of the Technologist This helps to avoid repeating the study if data quality is poor throughout the test.”Īccording to Todd Eiken, RPSGT, director of product development for Dymedix Diagnostics, “It is critically important that a sleep disorders technologist, as well as an interpreting physician, be able to identify and eliminate artifact that occurs during a PSG. 2 The sleep technologist conducting the study plays an essential role in identifying and correcting artifacts.ĭawn Penrod, global product manager, sleep diagnostics, at Philips, says, “Identifying artifacts in a sleep study is an important part of ensuring that all portions of the study are scored despite instances of unreadable data or misleading results. 1 An artifact may arise from a variety of sources, both internal and external to the recording, and timely and accurate correction of the various types of unwanted signals can lead to the acquisition of a high-quality recording. In a sleep study, an artifact is an extraneous signal that represents activity other than what is intended for a given channel on a PSG. From proper electrode application to room setup, sleep technologists can take a number of measures to lessen interference during a sleep study.
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