Tag: late sodium current

Mexiletine – Class Ib (& Id?) Mexiletine is a Class Ib drug. But it has additional effect on late sodium current (INaL), which qualifies for Id inclusion, though

Vernakalant: Cardiology MCQ

Mechanism of action of ranolazine: A. Inhibits late Na current B. Inhibits beta receptors C. Inhibits L – type Ca channels D. Inhibits transient outward K current