mexiletine HCl

mexiletine HCl

(mek´silətēn´),
n brand name: Mexitil;
drug class: antidysrhythmic (Class IB, lidocaine analog);
action: blocks sodium channel in His-Purkinje system, which decreases the effective refractory period and shortens the duration of the action potential;
use: documented life-threatening ventricular dysrhythmias.