Electrocardiogram (ECG) test

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An electrocardiogram (ECG) is a test that measures the electrical activity of the heart. Find out when an ECG may be done and what is involved in the test.

Key points

  • An electrocardiogram (ECG) is a test that records the electrical activity of your child's heart.
  • The test takes about 10 minutes. It does not hurt.
  • Your child will need to lie completely still for about one minute while the recording is made.
Last updated: November 6th 2009