Is adenosine stress test safe?
[11-20-2013] The U.S. Food and Drug Administration (FDA) is warning health care professionals of the rare but serious risk of heart attack and death with use of the cardiac nuclear stress test agents Lexiscan (regadenoson) and Adenoscan (adenosine).
What is the most common side effect of adenosine?
The most common adverse reactions are flushing, chest discomfort, dyspnea, facial flushing, headache, throat/neck/jaw discomfort, gastrointestinal discomfort, and lightheadedness/dizziness.
How long do side effects last from nuclear stress test?
Despite the short half-life of adenosine, 10.6% of the side effects occurred not with the infusion of Adenoscan but several hours after the infusion terminated. Also, 8.4% of the side effects that began coincident with the infusion persisted for up to 24 hours after the infusion was complete.
Is it normal to feel bad after a nuclear stress test?
You should not feel ill effects or have symptoms after your nuclear stress test. Tell your doctor or care team right away of any symptoms, such as dizziness, chest pain, or shortness of breath. The radiotracer will gradually dissipate from your body over several days.
Can a nuclear stress test damage your heart?
Although extremely rare, it’s possible that a nuclear stress test could cause a heart attack. Low blood pressure. Blood pressure may drop during or immediately after exercise, possibly causing you to feel dizzy or faint. The problem should go away after you stop exercising.
Does adenosine stop the heart?
While adenosine can slow conduction through the AV node, it does not affect accessory pathways. In such cases, this can cause severe tachycardia that can deteriorate to a non-perfusing rhythm, leading to cardiac arrest.
How does adenosine make you feel?
Caffeine, found in drinks like coffee and even some foods, offers a feeling of wakefulness and alertness. Once caffeine levels wear off, adenosine kicks back in to cause a decrease in neural activity in the brain and corresponding drowsiness.
How does adenosine affect sleep?
During wakefulness, adenosine levels gradually increase in areas of the brain that are important for promoting arousal, especially the reticular activating system in the brainstem. 3 With higher and higher concentrations, adenosine inhibits arousal and causes sleepiness. Then, adenosine levels decrease during sleep.
Are there any side effects after having a nuclear stress test?
Dizziness or chest pain. These symptoms can occur during a nuclear stress test. Some people also have nausea, shakiness, headache, flushing, shortness of breath and anxiety during the stress test. These signs and symptoms are usually mild and brief, but tell your doctor if they occur.
What are the side effects after a nuclear stress test?
Side effects
- allergic reaction to the dye.
- abnormal heart rhythms, or arrhythmias.
- fall in blood pressure during or after exercise, possibly leading to dizziness or faintness.
- chest pain.
- nausea.
- trembling.
- headache.
- flushing.
Can you get diarrhea after a nuclear stress test?
Diarrhea and fecal incontinence have also been reported following LEXISCAN administration.