The first step in the diagnosis of Shy-Drager syndrome is a complete medical history and full neurologic exam. The healthcare provider may then order tests, such as:
The healthcare provider will also check the person's vital signs, such as pulse and blood pressure. These findings are often abnormal in a person with Shy-Drager syndrome. Orthostatic hypotension, which is an inability to maintain an adequate blood pressure while changing body positions, will be present in someone with Shy-Drager syndrome. Orthostatic hypotension can cause dizziness, fainting, and injury.