The nuclear stress test is one of the radiology studies used to evaluate the condition of the heart. Specifically, it allows you to see the blood flow of this organ. It is done at different times, both at rest and during exercise.
It can help diagnose problems with the coronary arteries, which are those that supply the heart. In addition, it serves to guide certain treatments. Therefore, in this article we explain what it consists of and everything you need to know about the nuclear stress test.
What is the nuclear stress test?
The nuclear stress test is a technique that has been developed recently. It allows you to observe how the blood flow of the heart is to check if there is any area that is not getting enough blood or is damaged.
This is done by measuring the flow at rest and during exercise. This is done by injecting a radioactive dye through a vein, ingested or even inhaled. This substance accumulates in the organs and emits gamma ray energy.
According to the RadiologyInfo specialists, images can be taken using special devices that allow us to observe the structure and function of the heart. The most widely used are single photon emission computed tomography (SPECT) and the gamma camera.
Multiple images are obtained. First during rest and later during exertion. This can be seen if the arteries of the heart are able to cope with the increased oxygen demand that occurs with exercise.
The nuclear stress test is performed in a controlled environment. Stationary bicycles or treadmills are usually used to generate this effort. It is a technique that, in addition to serving to diagnose, helps to better choose the treatment.
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