How is an MPI performed?
Sometimes called a nuclear stress test, during MPI a radioactive material (radiopharmaceutical) is injected intravenously and taken up by your heart muscle as it flows through the heart arteries.
What is a myocardial perfusion SPECT test?
A myocardial perfusion SPECT (Single Photon Emission Computed Tomography) study, also called a cardiac stress-rest test, is used to evaluate the heart’s blood supply.
How do I read my stress test results?
Possible Conclusions
- Positive or abnormal: Doctors may conclude the stress test is positive for cardiac ischemia—meaning the heart muscle wasn’t getting adequate oxygenated blood during the stress.
- Negative or normal: A negative test result lacks any of the things that could trigger a positive conclusion.
What is a SPECT stress test?
Single photon emission computed tomography (SPECT) stress testing – during a SPECT stress test, a small amount of radioactive substance is injected into the bloodstream and cameras record the blood flow to and from the heart.
What is the most accurate stress test?
The nuclear stress test is generally considered to be the most accurate type of stress test. It has a sensitivity of about 81%, meaning that it will miss about 19% of high-grade blockages.
What is MPI risk assessment?
Stress myocardial perfusion imaging (MPI) has become an important tool in risk stratification of patients with known coronary artery disease. A normal myocardial perfusion scan has a high negative predictive value and is associated with low annual mortality rate (< 1%).
What can a Spect scan diagnose?
A single photon emission computed tomography (SPECT) scan is an imaging test that shows how blood flows to tissues and organs. It may be used to help diagnose seizures, stroke, stress fractures, infections, and tumors in the spine.
What is a normal blood pressure during a stress test?
Normal systolic and diastolic responses to exercise stress testing should not exceed 220 and 100 mm Hg, respectively. Systolic blood pressure of >230 mm Hg is generally considered hazardous.
What are SPECT tests used for?
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.
What is SPECT scan?
Purpose of Test. SPECT scans can be used for a variety of purposes,which is why they’re readily available at most hospitals,clinics,and imaging centers.
What is the medical test SPECT?
A single-photon emission computerized tomography (SPECT) scan lets your doctor analyze the function of some of your internal organs. A SPECT scan is a type of nuclear imaging test, which means it uses a radioactive substance and a special camera to create 3-D pictures.
What is SPECT imaging?
A SPECT scan is a type of nuclear imaging test, which means it uses a radioactive substance and a special camera to create 3-D pictures. While imaging tests such as X-rays can show what the structures inside your body look like, a SPECT scan produces images that show how your organs work.
What is the Persantine sestamibi stress test?
A persantine thallium stress test is a test where pictures are taken of your heart muscle. A “stress” test is usually done while a person exercises. While a person exercises, caregivers can see if areas of the heart muscle are getting enough blood. You will not need to exercise for this test.