Applications:
- It indicates the rate and rhythm or pattern of contraction of heart.
- It gives a clue about the condition of heart muscle and is used to diagnose heart disorders.
- It helps the doctors to determine whether the heart is normal, enlarged or if its certain regions are damaged.
- It can also reveal irregularities in heart’s rhythm known as ‘arrhythmia’.
- It is used by doctors to diagnose heart damage in conditions like high blood pressure, rheumatic fever and birth defects.
- An ECG also helps to determine the location and amount of injury caused by heart attack and later helps to assess the extent of recovery
