ECG stands for electrocardiogram and is a trace of your heart. A 12-lead ECG may be performed before or after an operation in some patients. It is non-invasive and obtained through the application of 10 electrodes to the skin (wrists, ankles, chest)

More Info about 12-lead ECGs

For a picture see below

= planned. An elective operation is scheduled at a time that suits the surgeon and the patient.

Entonox is a gas mixture of 50% Oxygen and 50% Nitrous Oxide. It can be used for pain relief (e.g. in labour, manipulation of fractures, painful procedures, patient transfer into hospital after an accident)