ECG gel is a form of gel that is made conductive and is applied to patients during an electrocardiogram, in this case, it assists in making sure that the electrode and skin are in good working electrical contact. It is meant to ‘boost’ the recording in such a manner that all electrical signals generated from the heart are picked up by the ECG machine with minimal distortion. ECG gel i... https://www.gstc.com/product/ecg-gel/