What should be ensured regarding ECG electrodes?

Ensuring that ECG electrodes are always fresh and not expired is critical for obtaining accurate and reliable electrocardiogram readings. Expired electrodes can lose their adhesive quality and the gel that facilitates conduction, leading to poor signal quality, artifacts, or even erroneous readings. Fresh electrodes ensure optimal conductivity, consistent adherence to the skin, and reliable performance, ultimately contributing to accurate patient assessments and diagnoses.

While regular maintenance and checks on equipment are necessary, the other choices do not emphasize the importance of using fresh materials. Changing electrodes weekly may not align with best practices for every situation, as their lifespan can vary based on usage. The statement about manufacturers overlooks the potential differences in quality and performance that can affect the ECG results. Monthly testing of electrodes is unnecessary if they are properly managed; focusing on their freshness and compatibility with the equipment is far more critical.