Give your opinion on how Guillain-Barre Syndrome is diagnosed?
Sometimes, but not always, high protein levels can be found in the lower lumbar puncture,.... Otherwise known as a spinal tap. EMG and NCV test(s). A neurologist at a hospital emergency room at a major medical center, would most likely make the diagnosis because they see a lot of patients. Often, if a neurologist at a major medical center has enough experience, they can quickly diagnose with a physical examination and by discussing symptoms with the patient.
Which Medical Professionals/Specialists are essential for those diagnosed with Guillain-Barre Syndrome to seek care once they have been diagnosed?
A primary care physician, a neurologist and possibly other specialist, such as a urologist.
What tests are needed and other useful information for the diagnosis of Guillain-Barre Syndrome?
See the answers to the first question.