Autonomic testing, also known as autonomic reflex screen or autonomic response testing, is a non-invasive test that measures how the nervous system works to control blood pressure, heart rate and sweating. Autonomic testing is used to help physicians diagnose the presence and severity of dysautonomia, a disorder of the autonomic nervous system (ANS).
Your physician may recommend autonomic testing if you’re experiencing symptoms like:
Some people may faint or collapse during the head-up tilt. When a patient’s symptoms and continuous recording of heart rate and blood pressure suggest pre-syncope (near fainting), the patient will be tilted back to a flat position immediately.
To prepare for your autonomic test, please follow these instructions: