You are finishing up your family medicine rotation and feeling good about all the typical cases: allergies, URIs, UTIs, asthma, hypertension, diabetes, obesity... Confident you can handle anything, you meet the last patient of the day.
He is a hunter who says that he has nausea, vomiting, vertigo, blurry vision, drowsiness, and malaise following a trip to the Arctic Ocean where he hunted and ate the animal shown above.
Challenge: You must have learned this one in medical school. What's the obvious diagnosis here?
Image is in the public domain.