How do you find out what the threshold is for Ativan gtt for for status epilepticus?

Is it found out by titration or specifically by pt's kg weight? The problem is getting some neuro response better than lethargy while keeping pt under seizure threshold.

: http://alcoholdrugstreatment.info/how-do-you-find-out-what-the-threshold-is-for-ativan-gtt-for-for-status-epilepticus