What is an Electrocardiogram or EKG?

• An Electrocardiogram is a noninvasive test that records the electrical activity of the heart.
• The electrical activity is related to the impulses that travel through the heart that determine the heart's rate and rhythm.
• Electrodes are placed on the chest, arms and legs.
• The test takes about five to ten minutes.
• This test must be ordered by a doctor.

Why is an Electrocardiogram Done?

• This test will help the doctor to evaluate the patient's cardiac condition related to:
  • If a heart attack has occurred
  • What part of the heart was damaged
  • If there are any irregular heart beats or rhythm
  • If there is a decreased supply of blood and oxygen to the heart

What Preparation is Needed?

• No restrictions on food, liquid or medications prior to the test.
  
  Do not apply lotions, oils, or powder to the chest.