MRCEM Notes

Cholingeric Toxidrome

Cholinergic compounds such as carbamates (used in insecticides and some drugs such as rivastigmine) and organophosphates increase levels of acetycholine at muscarinic and nicotinic receptors by inhibiting acetycholinesterase.

The choligeric toxidrome causes salivation, lacrimation, urination, diarrhoea, sweating, miosis, vomiting, bradycardia, bronchospasm via increased parasympathomimetic activity.

The mnemonic DUMBELS may help you recall the key features:

D Diarrhoea
U Urination
M Miosis
B Bronchospasm
E Emesis,
L Lacrimation
S Salivation
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