My new Neurologist is requesting a Tilt Table Test from my cardio vascular doctor. I told him about how I get so drained and feel like I'm going to faint when I'm standing on line at Walmart. And how after I have gone for a walk I'm so totally wiped out and have to lay down. He said my Blood Pressure could be dropping and that PD can impair the body’s natural reflex mechanism that causes automatic adjustments of your blood pressure when you change position, exercise, eat, or are out in warm or cold weather. My brain said ...Oh God What Next! Any way he said he is asking for the test to rule it out not that he really suspects it. Has anybody else gone for one of these tests? What was it like? What were the results?