TIA generally presents with transient symptoms characterized by weakness of one of the hands, legs, numb ness of one side, diffiluty in speaking, imbalce while walking, numbness
in face and so on. The symtoms that your father had is not suggestive of TIA. The possibilities could be a seizure with postictal state
, low/high sodium/glucose
level, low/high calcium or other electrolyte imbalance
or even brain infection. Some of the medicines can cause similar co0mplinats too. Once must review his medications.
MRI may give a better picture. Elcetrencephalography may help classify the seizure, if any.
Get in touch with a neurologist
there who will guide you that way i have discussed