A 78 years old female brought up to the ICU in the condition of peripheral muscle weakness with Quadriparesis. Her history was diarrhoea before 2 days & sudden vertigo when she brought up to the hospital. Ataxia & Areflexia are found on examination with 140/80 mmHg of blood pressure. Blood examination & x ray done. Reports are as follow:
What should be the proper diagnosis and treatment?