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Dr Vineet Sankhla

MD DM Cardiology (CMC Vellore)


An electrocardiogram is commonly called an ECG or EKG and uses a machine to measure and record (on paper or a computer screen) the electrical activity in the heart. With each heartbeat, the heart emits a series of electrical discharge spikes that can be recorded using electrodes on the surface of the body. The shape and pattern of the spikes can assist in diagnosing a wide range of heart problems such as:

  • Muscle Defect;
  • Enlargement of the Heart;
  • Congenital Defects;
  • Heart Valve disease;
  • Arrhythmias (Abnormal Heart Rhythms);
  • Tachycardia or Bradycardia (Heart rate too fast or too slow);
  • Ectopic Heartbeat;
  • Coronary Artery Disease;
  • Inflammation of the Heart (Myocarditis);
  • Inflammation Around the Heart (Pericarditis);
  • Changes in the Amount of Electrolytes (Chemicals in the Blood); and
  • Myocardial Infarction (Heart Attack), Past or Present.

  • It is important to remember that EKGs are not 100% accurate. Normal recordings can be obtained in patients with significant heart disease, or some "abnormalities" may exist in the presence of a normal heart.