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OCD Pathophysiology some research suggest childhood group A beta-haemolytic streptococcal infection may have a role Associations • depression (30%) • schizophrenia (3%) • Sydenham's chorea • Tourette's syndrome • anorexia nervosa Q-26 A 45-year-old man is admitted due to haematemesis. He reports drinking 120 units of alcohol a week. When is the peak incidence of seizures following alcohol withdrawal? A. B. C. D. E. 2 hours 6 hours 12 hours 24 hours 36 hours • phenytoin is said not to be as effective in the treatment