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Potassium Channel Blockers
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Definition
: A class of drugs that act by inhibition of potassium efflux through cell membranes. Blockade of potassium channels prolongs the duration of ACTION POTENTIALS. They are used as ANTI-ARRHYTHMIA AGENTS and VASODILATOR AGENTS.
DF: K CHANNEL BLOCK
See Also
Anti-Arrhythmia Agents
;
Vasodilator Agents
Other names
Blockers, Potassium Channel; Channel Blockers, Potassium
Substances having this pharmacologic action:
clofilium
;
4-Aminopyridine
;
Tetraethylammonium
;
3,4-diaminopyridine
;
6-cyano-4-(N-ethylsulfonyl-N-methylamino)-3-hydroxy-2,2-dimethylchromane
;
linopirdine
;
dofetilide
;
paxilline
Substance
CAS Registry & name
Categories
Source
Drugs
*
AamTX protein, Androctonus amoreuxi
0
*Scorpion Venoms
*Insect Proteins
Neurotoxins
Potassium Channel Blockers.
Peptides 2005 May;26(5):731-6
4-
aminopiperidine
0
*Piperidines
Multiple Sclerosis/drug therapy
Potassium Channel Blockers.
Bioorg Med Chem Lett. 2003 Jul 21;13(14):2303-6
AMPYRA