TABLE 1.

Modified seizure severity score.

Seizure severity score	Description
0	Normal behavior
1	Hypomobility, behavioral arrest, loss of posture, or immobility
2	Isolated and focal myoclonic jerks including facial twitches
3	Strong myoclonic jerks including head nodding and unilateral forelimb jerks
4	Clonic seizure involving movements such as forelimb and facial clonus, with or without rearing
5	Tonic-clonic seizure involving clonus of all limbs while maintaining balance
6	Tonic-clonic seizure with loss of righting reflex (lying on side), and may include wild running and jumping
7	Tonic extension, possibly leading to respiratory arrest, and death