When would you start antiepileptic drugs in a critically ill patient who develops myoclonic jerks but has not yet had an EEG?  

Treatment depends on the setting in which these myoclonic jerks are seen. In a non-cardiac arrest patient, such myoclonic jerks are often due to medications, organ dysfunction (e.g., uremia, etc), electrolyte imbalance, or non-convulsive seizures, etc, and workup for this is recommended with labs, ...