How Accurate Is A Nuclear Stress Test?

Can a nuclear stress test show blocked arteries?

The test can show the size of the heart’s chambers, how well the heart is pumping blood, and whether the heart has any damaged or dead muscle.

Nuclear stress tests can also give doctors information about your arteries and whether they might be narrowed or blocked because of coronary artery disease..

What happens if you fail a nuclear stress test?

Generally, there’s little concern for coronary artery disease and, in most cases, you won’t require any further testing. An abnormal result, which means your heart’s blood flow is insufficient, may occur only during the exercise phase of your stress test.

Can I drive yourself home after a nuclear stress test?

You will not be allowed to eat or drink until the medicine used to numb your throat wears off. This usually takes 30 to 60 minutes. You may not drive yourself home after your test. Before coming for your test, arrange for someone to take you home afterwards.

Can you pass a stress test and still have blockage?

Nuclear stress tests provide information about the blood flow to the heart. … This condition can cause chest discomfort with a normal stress test result. A normal stress test result only shows that there is not a significant coronary artery blockage.

What causes a false positive on a nuclear stress test?

Hence, superior blood pressure control prior to stress echocardiography may prevent some false-positive tests. In addition, a subset of patients has microvascular abnormalities, vasomotor changes, endothelial dysfunction, and/or small vessel coronary disease that can lead to false-positive stress echocardiography.

What does a positive stress test mean?

A positive test result occurs where a diagnosis of coronary artery disease (IHD, angina) is definite. Inconclusive. An inconclusive test result is usually due to non-diagnostic ECG changes, or when the test is terminated early due to exhaustion, beforemaximum heart rate or workload is reached.

What is the next step after an abnormal stress test?

Next step: Angiography After a stress test indicates an abnormality, heart specialists turn to a more invasive but also much more informative test, a heart catheterization with angiography. A long, thin tube called a catheter is threaded through blood vessels to the heart.

How accurate is a stress test?

If a patient has blockage of the blood flow to the heart or if they’ve had a heart attack in the past, it will show up,” says Mieres. Nuclear stress tests are 90% accurate, compared with exercise stress tests, which are about 75% accurate for men and just over 60% accurate for women.

What are they looking for in a nuclear stress test?

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.

Can u drive after a nuclear stress test?

Following the treadmill test, there is another waiting period followed by a second imaging scan. If you are an outpatient, you will be permitted to drive after your test is completed. If unable to exercise adequately on of these following medications will be given instead.

What are the warning signs of clogged arteries?

Do clogged arteries cause any symptoms?Chest pain.Shortness of breath.Heart palpitations.Weakness or dizziness.Nausea.Sweating.

What should I avoid after a nuclear stress test?

Do not eat chocolate or drink coffee, tea, soda, colas or other caffeinated beverages such Mountain Dew or energy drinks. If you are unsure, do not drink it. See the table below for more details. The table below also has a list of medications containing caffeine.

How long do Nuclear Stress Test results take?

A cardiologist interprets the stress test and a nuclear medicine radiologist reads the image scan. You are able to obtain your results from your referring physician within 48-72 hours.