Heart Institute

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Heart Tests

Doctors can use many different tests to diagnose possible heart problems in children. These tests are also often used on an ongoing basis in follow-up care and serve as a foundation in the excellent heart care provided at Children's Hospital Colorado. As a cardiac patient, your child will undoubtedly experience one or more heart tests. Take some of the worry out of your child's heart tests by learning more about each test and what you should expect.

Chest X-ray

A chest x-ray is a non-invasive procedure that provides a picture of the heart, lungs and bones of the chest.

CT Scan and MRI

A cardiac MRI is a test that uses a magnet to produce signals from the atoms within the body and then turns these signals into pictures of the body.

Cardiac Catheterization

A "heart cath" is a minimally invasive procedure that gives doctors a better understanding of how each unique heart works.

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Echocardiogram

An echocardiogram (ECHO) is a non-invasive test that uses sound waves to create images of the heart.

Electrocardiogram, Holter Monitor & Event Recorder

An electrocardiogram (EKG), Holter Monitor and event recorder are types of tests that record the electrical activity of the heart.

Electrophysiology Study

An electrophysiology (EP) study is done in the Catheterization Lab to give more detailed information about the heart's electrical activity.

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Exercise Test

Exercise testing helps doctors evaluate the cardiopulmonary limitations of kids with heart or lung disease.

Lab Tests

Laboratory testing, such as blood, sweat and glucose tolerance tests, can provide a closer look at the body's functions and processes.

Tissue Biopsies

A heart tissue biopsy is a test in which a small piece of the heart muscle is taken and looked at under a microscope.

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Contact the Heart Institute

  • Cardiology:
    (720) 777-6820
  • Catheterization Lab:
    (720) 777-8696
  • Cardiothoracic Surgery:
    (720) 777-6660

Heart Conditions

Learn more about a specific disease and how our experts work together to diagnose, treat and heal. More

One of America's Best

Parents Magazine  ranks
Children's Hospital Colorado #6 in the nation for heart care.

U.S. News & World Report 
ranks Children's Colorado among the best in the nation for heart care and heart surgery.