when the brain does not get enough blood supply it begins to shut down. symptoms include: lightheadedness. confusion. nausea. fainting or passing out. there may also be weakness blurred vision and shaking or tremulousness. these symptoms may resolve quickly as the body slowly adjusts to the standing position but in some cases the patient has to sit or lie down quickly to prevent passing out or falling.
what are the symptoms of orthostatic hypotension?