<prompt> A 20 yrs aged patient, presents in coma with pin point pupils and fasciculations but no fever. Most probable diagnosis is:Head injuryDhaturaPontine haemorrhageOrganophosphorus poisoning  <response>: D i.e. Organophosphorus poisoning Pinpoint pupils miosis is seen in Bar Car OR Mor - Chlor i.e. Barbiturates, Carbolic acid Phenol, Organophosphorus, Morphine Opioid, Choral hydrate.Q Pontine haemorrhageQ So we are left with two options - Pontine haemorrhage Organophosphorus. Not useful in Carbamate poisoning Useful in Organophosphorus poisoning - Physo Pyrido RivaNeo - - ParathionQ MalathionQ stigmineQ - Dyflos DEP - D-iso fluro - Ambenonium phosphateQ EdrophoniumQ - Diazinon TIK - 20 - Carabaryl sevin - EchothiophateQ - PropoxurQ Baygon - Tabun, Sarin, Soman - Demecarium - Donepezil 