Sleep Tech Tip of the Week

By Michael Miller, RPSGT

Artifact can be defined as an unwanted signal interfering with a channel on a PSG or EEG exam. One of the most prevalent and menacing artifacts most often observed is EKG artifact. EKG artifact is classified by an EKG waveform appearing in channels other than the actual EKG channel. EKG artifact is usually caused by a lead or electrode being place on a site where the patients pulse is evident. (more…)