Canadian Medical Guide > Chemicals and Drugs > Cardiovascular Agents > Potassium Channel Blockers Terms and Definitions




Potassium Channel Blockers

Medical 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.
Guide Notes: DF: K CHANNEL BLOCK
Previously Indexed: Ion Channels (1980-1988),Potassium Channels/antagonists & inhibitors (1988-2001)

Potassium Channel Blockers Medical Definitions and Terms

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