Male 78 years old, diabetic and hypertensive 20 years ago.on insulin treatment. Developed acute state of confusion 10 days ago ( hallucinations and delusions and sleep disturbance).. his blood pressure and glucose are controlled... all lab results are within normal range ( CBC, renal and
liver function, cholesterol level, urine analysis,
thyroid function,
electrolytes) except ESR.. he is eating well and no memory disturbance. He takes statin and aspirin as prophylaxis for long time.