Sunder Lal, 28 year old farmer is found convulsing in the farm. Heart rate is 100/min and blood pressure is 180/110 mm Hg. Diarrhea, sweating and urination are apparent. Pupils are pin point. Drug poisoning is suspected. Most probable cause is:
All the given symptoms are due to anticholinesterase action.
Acetaminophen overdose
Amphetamine toxicity
Organophosphate poisoning
Atropine poisoning