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To diagnose a coronary artery spasm, your healthcare provider uses tests that check your heart health, including:

  • Echocardiogram (echo test) uses sound waves to take pictures of your heart.
  • Electrocardiogram (EKG) measures your heart’s electrical signals.
  • Coronary angiography uses a special dye and imaging scans to watch how blood flows through your heart arteries.

Your provider may also give you an ambulatory monitor to wear at home. This monitor records your heart’s electrical activity as you do your daily activities. It gives your provider a better view of your heartbeat throughout the day. The monitor also records heart activity at night, which can be important for diagnosing coronary artery spasms.


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