Potassium Channel Blockers

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.

Year introduced: 2002

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Tree Number(s): D27.505.519.562.500, D27.505.954.411.645

MeSH Unique ID: D026902

Entry Terms:

• Blockers, Potassium Channel
• Potassium Channel Blocker
• Blocker, Potassium Channel
• Channel Blocker, Potassium
• Channel Blockers, Potassium

Previous Indexing:

• Ion Channels (1980-1988)
• Potassium Channels/antagonists and inhibitors (1988-2001)

See Also:

• Anti-Arrhythmia Agents
• Vasodilator Agents

All MeSH Categories
Chemicals and Drugs Category
Chemical Actions and Uses
Pharmacologic Actions
Molecular Mechanisms of Pharmacological Action
Membrane Transport Modulators
Potassium Channel Blockers

All MeSH Categories
Chemicals and Drugs Category
Chemical Actions and Uses
Pharmacologic Actions
Therapeutic Uses
Cardiovascular Agents
Potassium Channel Blockers