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What Does Cardiac MRI Show?

What Does Cardiac MRI Show?

The doctor supervising your scan will provide your doctor with the results of your cardiac MRI. Your doctor will discuss the findings with you.

Cardiac MRI can reveal various heart conditions and disorders, such as:

Cardiac MRI is a fast, accurate tool that can help diagnose a heart attack by detecting areas of the heart that don’t move normally, have poor blood supply, or are scarred. Cardiac MRI can show whether any of the coronary arteries are blocked, causing reduced blood flow to your heart muscle.

Currently, coronary angiography is the procedure most commonly used to look at blockages in the coronary arteries. Coronary angiography is an invasive procedure that uses x rays and iodine-based contrast dye. Researchers have found that cardiac MRI can replace coronary angiography in some cases, avoiding the need to use x-ray radiation and iodine-based dyes.

Cardiac MRI

Illustration and photos of Cardiac MRI

Figure A shows the heart’s position in the body and the location and angle of the MRI images shown in figure C. Figure B is a MRI angiogram, which is sometimes used instead of a standard angiogram. Figure C shows MRI pictures of a normal left ventricle (left image), a left ventricle damaged from a heart attack (middle image), and a left ventricle that isn’t getting enough blood from the coronary arteries (right image).

Researchers are discovering new ways to use cardiac MRI. In the future, cardiac MRI may be able to replace x rays as the main way to guide invasive procedures such as cardiac catheterization (KATH-e-ter-i-ZA-shun). Also, improvements in cardiac MRI are likely to lead to better methods for detecting heart disease in the future.

 

 

Author/Source: National Heart, Lung & Blood Institute, Division of the National Institutes of Health [NIH]

 

Retrieved: June 2008

 

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