lidocaine HCl

lidocaine HCl (cardiac)

(lī´dōkān´ kar´dēak),
n brand names: Lidopen, Xylocaine, Xylocard;
drug class: antidysrhythmic (Class IB);
action: increases electrical stimulation threshold of ventricle and His-Purkinje system, which stabilizes cardiac membrane and decreases automaticity and excitability of ventricles;
uses: ventricular tachycardia, ventricular dysrhythmias during cardiac surgery, cardiac catheterization.

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lidocaine HCl (local),

n brand names: Dalcaine, Dilocaine, Lidoject, Octocain, Xylocaine, Xylocaine-MPF;
drug class: amide local anesthetic;
action: inhibits ion fluxes across membranes, particularly sodium transport across cell membrane, decreases rise of depolarization phase of action potential, blocks nerve action potential;
uses: local dental anesthesia, peripheral nerve block; caudal anesthesia; epidural, spinal, surgical anesthesia.

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lidocaine HCl (topical),

n brand name: Xylocaine Viscous;
drug class: topically acting local anesthetic, amide;
action: inhibits nerve impulses from sensory nerves, which produces anesthesia;
uses: topical anesthesia of inflamed or irritated mucous membranes; to reduce gag reflex in dental radiologic examination or in dental impressions.