If the attendant of a serious patient asks "Whether this patient can be treated here or should we take the patient to another hospital? ", what should be the reply as prognosis has to be explained?and every serious case  serious complication are possible but every case  can not be referred to tertiary centre.Some eg- like a a seizure could respond to  first short of AED and may continue to have seizure, case of of  ARI developed gastroenteritis later viral encephalitis ?

when disease is in evolving stage and many complication theoretically possible even after treatment..