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A rest-stress myocardial perfusion scan is obtained to evaluate blood flow to cardiac muscle during rest and stress conditions.
The Nuclear Medicine and Molecular Imaging program at Boston Children’s Hospital is committed to providing a safe, comfortable, and child-friendly atmosphere with:
A rest-stress myocardial perfusion scan is obtained to evaluate blood flow to cardiac muscle during rest and stress conditions. The examination is done in two parts: a rest study and a stress study.
During the rest study, a radiopharmaceutical called Technetium-99m MIBI is injected into your child’s veins. Technetium-99m MIBI has a tiny amount of radioactive molecules in it. A special camera, called a gamma camera, is used to take pictures of the heart after the radiopharmaceutical has been injected.
During the stress study, electrodes will be placed on your child’s chest so that his or her heart rate can be monitored by an electrocardiogram (EKG). While your child is exercising, he or she will receive another injection of the radiopharmaceutical. Shortly after the injection, your child will stop exercising and additional images of the heart will be taken.
A rest-stress myocardial perfusion scan can help assess:
When you arrive, please go to the Nuclear Medicine check-in desk on the second floor of the main hospital. A clinical intake coordinator will check in your child and verify his or her registration information.
You will be greeted by one of our nuclear medicine technologists who will explain to you and your child what will happen during the examination. The technologist will place an IV catheter in one of your child’s veins that will remain in place throughout the entire procedure.
The examination is done in two parts:
The total time of the study is approximately three to five hours.
Your child may experience some discomfort associated with the insertion of the intravenous needle. The needle used for the procedure is small. Once the radiopharmaceutical is injected and imaging is complete, the needle will be withdrawn and a gauze bandage with adhesive tape will be placed over the site of the injection. The area where the injection was given may be a little sore.
In addition, your child may feel the physical discomfort of the exercise. Although the gamma camera may appear large and intimidating, it does not touch your child.
We are committed to ensuring that your child receives the smallest radiation dose needed to obtain the desired result.
Once the scan is complete, the images will be evaluated for quality. If the scan is adequate, your child will be free to leave and resume normal activity.
One of the Boston Children's Hospital nuclear medicine physicians will review your child’s images and create a report of the findings and diagnosis.
The nuclear medicine physician will provide a report to the doctor who ordered your child’s rest-stress myocardial perfusion scan. Your child’s doctor will then discuss the results with you.
Department of Radiology
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