Solve this exciting clinical case specific to your field of interest via Docplexus’ Clinical Case Challenge. Join your fellow doctors to discuss and answer today’s challenge. Case presentation A 71-year-old man presented with an inability to walk and stand up to both knees. He exhibited delirium. He was brought to the hospital via ambulance. History Long-term alcoholic and consumed more than five glasses of spirits daily.

Three months ago, his appetite reduced and consisted mostly of raw fish and meat. A month ago, he completely lost his appetite but continued consuming alcohol that led him to crawl. A day before he visited the hospital, he started showing unintelligible behavior. He had a history of hypertension and dyslipidemia and took amlodipine and rosuvastatin for managing the conditions. He had no history of surgery and did not take zinc medication or supplementation. Vital signs…