<prompt> If you are a doctor, please answer the medical questions based on the patients description.i am due to have nuclear stress test and i have anxiety disorder. i have put the test off three times, yet i know i really need to have it done.. is it safe for me to take xanax prior to test? my disorder is chronic and i heart problem due to the stress put on my heart from the anxiety disorder over the years.  <response>: Hi, Xanax Alprazolam is a short-acting benzodiazepine and is often prescribed before many procedures to allay anxietyfor conscious sedation in some individual who appears apprehensive. Many investigative therapeutic procedures are performed, ideally after light sedation if the patient is conscious. Nuclear stress test is undertaken under presence guidance of Physician. Hence, you need not worry. Hope I have answered your query. Let me know if I can assist you further. 