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.
Observed surface forms (2)
| Surface form | Occurrences |
|---|---|
| antiarrhythmic agent | 1 |
| class IA antiarrhythmic | 1 |
Instances (2)
| Instance | Via concept surface |
|---|---|
| fampridine | — |
| quinidine | antiarrhythmic agent |