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Home Knowledge Center Wellness Library SPECT Image of the Heart

SPECT Image of the Heart

Overview

Single photon emission computed tomography (SPECT) is a nuclear medicine imaging test. It is a type of positron emission tomography, also called a PET scan.

Doctors use SPECT to:

  • Diagnose a person who has symptoms of heart disease.
  • Assess your risk of heart attack.
  • Find damaged heart tissue after a heart attack.

SPECT locates areas of the heart muscle that have inadequate blood flow compared with areas that have normal flow. Inadequate blood flow may mean that coronary arteries are narrowed or that a heart attack has occurred.

It is a noninvasive imaging scan that exposes you to radiation. For this test, your doctor injects a tiny amount of radioactive tracers through a vein in your arm. After the radioactive tracer is injected, a camera that can detect the radiation emitted by these tracers rotates around you. This creates images of your heart from different angles. Then, computer graphics are used to create three-dimensional images of your heart.

For more information about PET scans, see Positron Emission Tomography (PET Scan).

This information does not replace the advice of a doctor. Healthwise, Incorporated, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

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