potassium channel blocker
C21589
concept
A potassium channel blocker is a substance that inhibits the flow of potassium ions through potassium channels in cell membranes, thereby altering cellular excitability and electrical signaling.
All labels observed (3)
| Label | Occurrences |
|---|---|
| antiarrhythmic agent | 1 |
| class IA antiarrhythmic | 1 |
| potassium channel blocker canonical | 1 |
Description generation (CDg)
The one-sentence description above was generated by prompting gpt-5.1 with the class name and this instruction.
Instruction
generate a one-sentence description for a given conceptual class. # Response Format Return only the sentence: "Description: [one-sentence description of the conceptional class]"
Input
Class: potassium channel blocker
Generated description
A potassium channel blocker is a substance that inhibits the flow of potassium ions through potassium channels in cell membranes, thereby altering cellular excitability and electrical signaling.
Instances (2)
| Instance | Via concept surface |
|---|---|
| fampridine | — |
| quinidine | antiarrhythmic agent |