A 3-year-old girl is brought to emergency by her mother for progressively worsening gait for the past 24 hours. She recently recovered from chickenpox. Vitals are normal. Physical examination shows an inability to sit or stand unsupported. There is bilateral nystagmus. Lumbar puncture shows no abnormalities and a negative gram-stain. Which of the following is the most likely diagnosis?
Acute cerebellar ataxia
Ataxia-telangiectasia
Benign paroxysmal positional vertigo
Labyrinthitis
Friedreich ataxia
