- Definition
An electrocardiogram (ECG) refers to the electrical activity
of the heart. It is a recording of the heart's electrical signals and is
crucial for diagnosing various conditions, such as:
- Changes in regular heart rhythms.
- Helping in diagnosing the cause
of chest pain.
- The use of thrombolytic therapy
in cases of myocardial infarction (heart attack) depends on the ECG.
- It also helps in diagnosing the
cause of breathlessness.