How often should EP machines be calibrated and safely tested?

The recommendation for calibrating and performing safety tests on electrophysiological (EP) machines is typically every six months. Regular calibration is critical to ensure the accuracy and reliability of the measurements taken during intraoperative monitoring. This frequency strikes a balance between having consistent operational integrity and the practicalities of scheduling and resources.

Calibration is important because it helps maintain the performance standards of the equipment, which can drift over time due to various factors such as temperature changes, component aging, and wear and tear. Testing for safety, including electrical safety tests, is equally vital to protect both the patient and healthcare providers from potential hazards associated with faulty equipment.

While more frequent calibration (such as every month or every three months) may seem beneficial, it is generally unnecessary and could lead to downtime that disrupts clinical practice. On the other hand, longer intervals such as annually might increase the risk of equipment malfunction or inaccuracy at critical times. Therefore, a six-month interval for calibration and safety testing is based on best practices in the field to ensure optimal performance and safety during procedures.