Potassium channel blocker
Potassium Channel Blocker
A Potassium Channel Blocker (pronunciation: pəˈtæsiəm ˈtʃænəl ˈblɒkər) is a type of drug that inhibits the movement of potassium ions through its ion channel.
Etymology
The term "Potassium Channel Blocker" is derived from its function. "Potassium" refers to the type of ion it affects, "Channel" refers to the pathway through which ions move, and "Blocker" refers to its function of inhibiting or blocking this movement.
Function
Potassium Channel Blockers work by inhibiting the movement of potassium ions through the potassium channels. These channels are crucial for a number of physiological processes, including the regulation of heartbeat, neuron function, and insulin release.
Uses
Potassium Channel Blockers are used in the treatment of several medical conditions, including arrhythmia, epilepsy, and certain types of cancer.
Related Terms
- Ion Channel: A protein structure in a cell membrane that allows ions to pass through the membrane down their electrochemical gradient.
- Potassium: A chemical element with the symbol K (from Neo-Latin kalium) and atomic number 19.
- Arrhythmia: A condition in which the heartbeat is irregular, too fast, or too slow.
- Epilepsy: A neurological disorder marked by sudden recurrent episodes of sensory disturbance, loss of consciousness, or convulsions, associated with abnormal electrical activity in the brain.
- Cancer: A disease caused by an uncontrolled division of abnormal cells in a part of the body.
External links
- Medical encyclopedia article on Potassium channel blocker
- Wikipedia's article - Potassium channel blocker
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