| Artefact | Cause | Solution |
|---|---|---|
| Muscle tremors | Patient tense | Ask the patient to relax and reassure |
| Patient is cold | Ensure that room is warm Provide warming devices eg) blankets | |
| Parkinsons | Move limb electrodes closer to torso Advise the patient to place their hands under their body | |
| Wandering baseline | Patient too hot (sweaty) | Cool room Thorough skin preparation with alcohol wipe and reapplication of electrodes |
| Cable movement | Ensure that the cables are adequately supported | |
| Respiratory swing | Ask the patient to hold their breath Readjust patient to more upright position | |
| AC Mains interference | Fracture of wire within cable | Check leads and change if necessary |
| Other electrical equipment nearby | Switch off all non-essential equipment |