artifacts and interference

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5 Terms

1
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somatic tremor

irregular spikes throughout the tracing resulting from muscle movement

2
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somatic tremor solution

have patient slide hands under buttocks during the test

3
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AC/ 60-cycle interference

regular spikes in EKG tracing caused by poor grounding or electrical interference

4
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wandering baseline

baseline moves away from center of paper due to patient breathing movement or poor electrode connection

5
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interrupted baseline

break in the tracing caused by a broken or disconnected lead