Case scenario · Autoimmune AChR destruction
A 27-year-old woman reports drooping of both eyelids and double vision that are barely noticeable in the morning but marked by evening. Sustained upgaze for 60 seconds worsens the ptosis. Pupils are normal and reflexes are preserved.
The fundamental pathophysiological defect is:
Pick an option to see the explanation. Keys 1–4 also work.