A man was found in a street in unconscious state and delivered to the sanitary inspection room. At small intervals the man presents with recurrent attacks of tonic and clonic convulsions of the upper and lower limbs. Objectively: the patient is unconscious, his pupils are mydriatic, don't react to light. The tongue has teeth indentations. Involuntary urination was noted. Examination revealed no symptoms of focal cerebral lesion. AP is 140/90 mm Hg. The patients head can be freely brought to the chest. Specify the most probable pathology: