A 39-year-old woman has confusion, ataxia, and nystagmus 3 months after Roux-en-Y gastric bypass. She has had persistent vomiting and poor oral

Question

A 39-year-old woman has confusion, ataxia, and nystagmus 3 months after Roux-en-Y gastric bypass. She has had persistent vomiting and poor oral intake. Glucose is normal. Which of the following is the most likely explanation for this patient's findings?

Accepted Answer

Thiamine deficiency

Answer

Vitamin C toxicity

Answer

Hypervitaminosis A

Answer

Folate excess

Answer

Iron overload

Thiamine deficiency after bariatric surgery — USMLE Step 3 MCQ

A 39-year-old woman has confusion, ataxia, and nystagmus 3 months after Roux-en-Y gastric bypass. She has had persistent vomiting and poor oral intake. Glucose is normal. Which of the following is the most likely explanation for this patient's findings?