An ECG is a recording of the heart's electrical activity. It can be very useful
to detect the heart rate, changes in heart rhythm, heart enlargement, the presence
of recent or old heart damage from angina or infarction, etc.
An ECG should be performed as a matter of course in all male patients over
40 and all female patients over 50.
An ECG should be performed in those patients with heart disease, lung disease,
diabetes or a neurological disease.
Current Drugs Use
Those patients on radiation therapy or who are taking steroids or anticoagulants
should have an ECG performed.