Lidocaine

Question 1

What is the brand name of Lidocaine Hydrochloride

Answer 1

Xylocaine

Question 2

Class of Lidocaine

Answer 2

Antidysrhythmic (Sodium Channel Blocker)

Question 3

Indications for Lidocaine

Answer 3

Alternative to amiodarone in cardiac arrest from ventricular tachycardia, ventricular fibrillation, stable wide complex tachycardia (poly- or monomorphic) with normal baseline QT interval, stable monomorphic VT with preserved ventricular function.

Question 4

Mechanism of Action of Lidocaine

Answer 4

Decreases automaticity by slowing the rate of spontaneous phase 4 depolarization

Question 5

Contraindications of Lidocaine

Answer 5

Hypersensitivity, 2nd or 3rd degree AV heart block in the absence of an artificial pacemaker, Stokes Adams Syndrome, wide complex ventricular escape beats with bradycardia

Question 6

Adverse Effects of Lidocaine

Answer 6

Anxiety, drowsiness, confusion, seizures, slurred speech, respiratory arrest, hypotension, bradycardia, dysrhythmias, cardiac arrest, AV block, NV

Question 7

Precautions to Lidocaine

Answer 7

Caution in Wolf Parkinson White Syndrome
Cardiac depression seen with phenytoin
Metabolic clearance reduced with liver disease
Or use of beta blockers

Question 8

Adult dose and admin of Lidocaine

Answer 8

Adult: Pulseless V-Tach/V-Fib – 1 to 1.5 mg/kg IV/IO. May be repeated in 5 to 10 minutes; Dose – 0.5 to 0.75 mg/kg IV/IO. Maximum total dose of 3 mg/kg. Stable V-Tach: 0.5 to 0.75 mg/kg IV/IO. May repeat dose in 5 to 10 minutes with maximum dose of 3 mg/kg

Question 9

Pedi dose and admin of Lidocaine

Answer 9

1 mg/kg IV/IO push with maximum dose of 100 mg.