Index Tests

What is a heart biopsy? A heart biopsy (endomyocardial biopsy) is a test in which small tissue samples are removed from your heart and analyzed under… Read More »Heart Biopsy

What is a cardiac MRI? Magnetic resonance imaging (MRI) is a diagnostic test that uses a powerful magnet and radio wave pulses to create detailed images… Read More »Cardiac MRI for Heart Failure

What is a nuclear ventriculogram? A nuclear ventriculogram (technically called radionuclide ventriculography) is a test that uses a special camera to take a series pictures of the… Read More »Nuclear Ventriculogram

What is an exercise stress test? An exercise stress test measures your heart’s ability to function when it is working hard (or stressed), such as when you… Read More »Exercise (Stress) Tests for Heart Failure

What is ejection fraction? Ejection fraction is the measure of how much blood your heart pumps—or “ejects”—out of the filled pumping chambers (ventricles) with each… Read More »Ejection Fraction (EF)

What is transcranial Doppler ultrasound? How does transcranial Doppler ultrasound work? Transcranial Doppler ultrasound works the same way as carotid Doppler ultrasound, except it is done on the… Read More »Transcranial Ultrasound

What is an MRI? Magnetic resonance imaging (MRI) is a diagnostic test that uses a powerful magnet and radio wave pulses to create detailed images of… Read More »MRI & MRA

What is an EEG? An EEG (electroencephalogram) is a test that records the electrical activity of the brain using electrodes placed on the scalp. It… Read More »Electroencephalogram (EEG)

What is a CT scan? A computed tomography (CT) scan is a test that uses X-rays to produce an image of body tissue. The test does… Read More »CT Scan

What is carotid Doppler ultrasound? Carotid Doppler ultrasound (also called carotid duplex) is a test that uses reflected sound waves—the same used to see the fetus during pregnancy… Read More »Carotid Ultrasound