It is the middle of winter and you are working on the necropsy floor. A 5 year old potbellied pig comes in for necropsy.
Petting zoo pig. This morning owners noticed seizure-like activity and head pressing behaviour. Eventually pig went into a dog-sitting position and died. Owners report no changes in his diet, environment, etc other than they put in a new water heater yesterday.
Select up to three primary clinical findings from this case.