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What is the role of ganglionic blockers?
to block ACh at the ganglia
prevents target organ activation
What are the distinct features of ganglionic blockers?
2 quaternary ammonium salts separated by 5-6 carbons
no substituents
NO RINGS
hexamethonium bromide
6 carbons apart
quaternary amine
used for HTN in the past (not used anymore)
Pentolinium Bromide
5 carbon spacer
used to control BP/severe HTN → pernicious HTN
Mecamylamine
NO similarity to ACh
negative allosteric modulator for ACh binding at ganglia
indication: smoking cessation