Cad may prevent the heart muscle from receiving adequate blood supply during stress or periods of exercise. Cad is the narrowing of arteries to the heart by the build up of fatty materials. Myocardial perfusion imaging also called a nuclear stress test is used to assess coronary artery disease or cad.
Share on pinterest during a nuclear stress test the individual will exercise a radioactive dye is injected and then images are taken to assess the heart s health. The test uses a radioactive substance which mixes with the blood and enters into the cells of the heart muscle. An imaging stress test also called a nuclear or sestimibi stress test is similar to the exercise stress test but provides more information by using images to show the blood flow to the heart muscle.
It can also show whether your arteries might be narrowed or blocked because of coronary artery disease. The test can show the size of the heart s chambers and any damaged or dead muscle. A nuclear stress test lets doctors see pictures of your heart while you are resting and after you have exercised.
The nuclear heart stress test usually involves injecting radioactive dye such as thallium or sestamibi then taking two sets of images of your heart one. A nuclear stress test provides images of the blood flow to the heart muscle both under resting conditions and during stress this can be accomplished with either exercise or medications. The pictures help your healthcare provider compare blood flow to your heart muscle during rest and stress.
Pictures of your heart are taken before and after you exercise or get medicine. A radioactive liquid is used to help your heart show up better in pictures. A nuclear stress test uses exercise or medicine to put stress on your heart.
An ekg is a noninvasive diagnostic exam performed to detect electrical activity in the heart it is commonly performed after patients have experienced heart. How to read interpret myocardial perfusion scan imaging nuclear medicine cardiac stress test tutorial step. While the interpretation of the resting and exercise images has to be individualized and while you will need to talk to your own doctor about the specific findings of the test in your own case.
The nuclear stress test is aimed at measuring whether blood flow to all areas of the heart muscle is sufficient both during rest and during exercise.
Nuclear stress test images. A nuclear stress test uses radioactive dye and an imaging machine to create pictures showing the blood flow to your heart. The test measures blood flow while you are at rest and are exerting yourself showing areas with poor blood flow or damage in your heart. A nuclear stress test is a minimally invasive diagnostic imaging procedure designed to evaluate the perfusion of blood through the coronary arteries to the heart muscle. Images of the heart are acquired when the heart is in a baseline resting state and again after the heart has been exercised or stressed images are taken using specialized cameras gamma or.
Images of the heart are acquired when the heart is in a baseline resting state and again after the heart has been exercised or stressed images are taken using specialized cameras gamma or. A nuclear stress test is a minimally invasive diagnostic imaging procedure designed to evaluate the perfusion of blood through the coronary arteries to the heart muscle. The test measures blood flow while you are at rest and are exerting yourself showing areas with poor blood flow or damage in your heart.
A nuclear stress test uses radioactive dye and an imaging machine to create pictures showing the blood flow to your heart.
