Cholinomimetic drugs can be used for the treatment of all the following conditions EXCEPT
Closed angle Glaucoma
Bradycardia
Cobra bite
Myasthenia gravis
Ref: 7th edition KD Tripathi (page no:103) ACh hyperpolarizes SA nodal cells, as a results bradycardia occur.so cholinomimetics can't be used for bradycardia. Anticholinergics like atropine should be used for bradycardia Cardiac muscuranic receptor is M2 subtype
Autonomic nervous system