Diagnosis

How is coronary artery disease diagnosed?

There are a number of ways that doctors can diagnose CAD:

  • An electrocardiogram, also known as an ECG or EKG, measures your heart's electrical activity and may show whether your heart has been damaged by a heart attack.
  • A stress test records your heart's electrical activity while you are exercising to reveal heart-related problems.
  • A coronary angiogram can show if any blockage and/or narrowing has occurred. A special dye is injected into the coronary arteries so that they can be seen in an x-ray. Information from the angiogram will help your doctor decide how to treat you.

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