NAVLE® Question of the day

MO TU WED TH FR
December 5, 2023
NAVLE

A pale-colored Egyptian Arabian foal is presented for evaluation within a few hours of a dystocia with assisted vaginal delivery.

The foal has opisthotonos, nystagmus, limb rigidity and paddling, and has not yet stood and nursed.

What is the presumptive diagnosis based on the information available?