Lidocaine

Question 1

Lidocaine: generic name

Answer 1

Lidocaine Hydrochloride IV

Question 2

Lidocaine: tradename

Answer 2

Xylocaine IV

Question 3

Lidocaine: class

Answer 3

Antidysrhythmic

Question 4

Lidocaine: action

Answer 4

↓ automaticity by slowing phase four of depolarization. ↑ VF threshold

Question 5

Lidocaine: indications

Answer 5

Cardiac arrest from VF/VT. Alternative to amiodarone. Prevents rise in ICP associated with administration of succinylcholine and intubation procedure.

Question 6

Lidocaine: contraindications

Answer 6

Hypersensitivity. 2nd or 3rd degree AVB with wide complexes, wide complex escape beats with bradycardia

Question 7

Lidocaine: S. E.

Answer 7

Anaphylaxis, bradycardia, hypotension, cardiovascular collapse, seizures, malignant hyperthermia, respiratory depression, tremors, lightheadedness, confusion, tinnitus, blurred vision or double vision, and vomiting

Question 8

Lidocaine: adult dose

Answer 8

VF/VT: 1-1.5mg/kg repeated q 5m.
Following doses at 1/2 of original, max of 3mg/kg.

After suppression of ectopy or dysrhythmia, initiate an infusion at 2-4 mg/minute

Question 9

Lidocaine: pedi dose

Answer 9

VF, pulseless VT, wide tachycardia (w/pulses) 1 mg/kg IV/IO loading dose

Question 10

Lidocaine: precautions

Answer 10

Discontinue infusion if signs of toxicity. Potentiates amiodarone beta-adrenergic blockers (inderal), and Tagamet. Toxicity can occur due to reduced metabolism of lidocaine in pts with liver disease