Plasmapharesis is used in all of the following, EXCEPT:

Cholinergic crisis usually occur during treatment of patients with myasthenia gravis, from the excess dose of anticholinesterase drugs. Symptoms of cholinergic excess such as salivation, sweating, GI distress, bradycardia and constricted pupil occur occur at the time of peak effect of the drug. Diagnosis can be confirmed by giving edrophonium, which temporarily worsen the muscle weakness. Treatment includes endotracheal intubation, stoppage of anticholine esterase medication, which is then gradually restaed. Plasmajavascript: void ('11') pheresis is not indicated in cholinergic crisis. Ref: Uncommon Problems In Intensive Care By J. F. Cade page 1925; The Central Nervous System in Pediatric Critical Illness and Injury By Derek S page 139; Therapeutic Plasmapheresis, Volume 12 By World Apheresis Association, T. Agishi page 554; Harrison's principles of internal medicine 18th edition/chapter 388