Anterograde<unk> 
Unaware of their memory loss
Normal attention and social skills
Struggle with delayed recall
Periods of time typically less than 24 hrs, but typically lasts 4-6 hrs
No localizing symptoms
If localizing symptoms, consider alternative diagnosis
If localizing symptoms, consider alternative diagnosis
Attack must be witnessed.
Acute onset of anterograde<unk> 
No alteration in consciousness.
No cognitive impairment other than<unk> .
No loss of personal identity.
No focal neurology or epileptic features .
No head trauma attributing<unk>  to a concussion
Must resolve within 24 hours
No other causes of<unk>
Transient global amnesia
Hypoglycemia
Excited delirium
Hyponatremia
Delirium
Meningitis/encephalitis
Delirium tremens
Seizure