What is a thallium stress test and why is it ordered?
What is a thallium stress test and why is it ordered?
A thallium stress test is a nuclear medicine study that shows your physician how well blood flows through your heart muscle while you’re exercising or at rest. This exam also allows your physician to visualize whether there has been any damage done to your heart by any problems you may have had previously.
How long does a persantine stress test take?
This scan takes about 15 minutes. After this scan, the second part of the test will begin. For the second part of the test you will rest on a bed or chair. Persantine is given through your IV.
Is thallium stress test painful?
Most people tolerate the thallium stress test very well. You may feel a sting as the medication that simulates exercise is injected, followed by a warm feeling. Some people may experience headache, nausea, and a racing heart.
How do I prepare for a persantine stress test?
What should I do to get ready for the persantine thallium stress test?
- Do not eat or drink anything except water for six hours before the test.
- Do not use any medicines (over-the-counter or prescribed) that contain caffeine for six hours before the test.
- Do not smoke or use chewing tobacco for six hours before the test.
How accurate is thallium stress test?
Evidence-Based Answer. In appropriately referred patients with chest pain, the sensitivity of thallium stress tests is 70% to 92% to detect coronary artery disease (CAD) requiring revascularization (SOR: B, evidence-based guidelines).
Which is better stress thallium vs angiography?
When compared with the EKG stress test, thallium stress imaging was superior in sensitivity (80% vs 68%), specificity (84% vs 49%), accuracy (81% vs 62%), positive predictive value, (92% vs 75%), and negative predictive value (65% vs 45%) in this group, with 71% prevalence of angiographically significant coronary …
What are the side effects of Persantine?
Dizziness, stomach upset, diarrhea, vomiting, headache, and flushing may occur as your body adjusts to the medication. If any of these effects persist or worsen, tell your doctor or pharmacist promptly.
What are the side effects of persantine?
How often should you have a thallium stress test?
Your doctor may elect to proceed with stress testing to help define your overall risk of heart disease. This is a very reasonable option. However, if you had a stress test within the past two years and you remain asymptomatic, there is no need to repeat the test until it has been at least two years.
What type of drug is Persantine?
Persantine (dipyridamole) is a platelet inhibitor used to prevent blood clots after heart valve replacement surgery. Persantine is available in generic form.
What is the meaning of Persantine?
Persantine (Dipyridamole) is a medication that dilates (widens) the coronary arteries. It produces an effect similar to what happens when one exercises.
How long does it take to do a thallium stress test?
It is also known at the thallium stress test, a myocardial perfusion scan, or a radionuclide test. The test can be done while the patient is resting or doing exercise. The radioactive substance that is injected into the patient is called a radionuclide. The test takes about 3 to 4 hours.
What are the side effects of a thallium stress test?
The area where the intravenous (IV) was injected might start bleeding,swell,hurt,or turn red.
What happens if you fail a stress test?
If you fail a stress test, it means that there might be serious underlying heart problems. There are many indications, some of the important ones among them are as follows: In case there are variations and changes in the electrocardiogram, it means that there is low oxygen supply to the various muscles of the heart.
Are there any risks of thallium stress test?
Risks and complications of a thallium stress test. Most people tolerate the thallium stress test very well. You may feel a sting as the medication that simulates exercise is injected, followed by a warm feeling. Some people may experience headache, nausea, and a racing heart .