Lidocaine

Question 1

Trade Name

Answer 1

Xylocaine, Lidocaine Hydrochloride

Question 2

Class

Answer 2

Anti-dysrhuthmic, local anesthetic

Question 3

Mechanism of Action

Answer 3

Decreases automaticity by slowing the rate of phase 4 depolarization

Question 4

Indications

Answer 4

VT, wide complex tachycardia, VF, local anesthetic of bone marrow for IO

Question 5

Contraindications

Answer 5

Known allergy or sensitivity, second or third degree heart block, idoventricular, heart rate

Question 6

Adverse effects

Answer 6

Seizures, AMS, confusion, bradycardia

Question 7

Incompatibilities/ Drug interactions

Answer 7

Cardiac depression when given in conjunction with Dilantin/procainamide

Question 8

Routes of Admin

Answer 8

IV/IO

Question 9

Onset of Action

Answer 9

onset 1-3 min
peak 5-10 min
Variable duration 15min-2hrs

Question 10

Adult dose

Answer 10

1.0 mg/kg IV/IO every 3-5 min, max dose 3mg/kg
1-4mg/min IV infusion
1-2cc IO for pain control

Question 11

Pediatric dose

Answer 11

1.0mg/kg IV/IO max dose of 3mg/kg

20-50mcg/kg/min infusion

Question 12

Protocols used

Answer 12

A-10: VF/VT
A-11: V-tach with pulse
B-7: Pediatric V-fib
B-8: Pediatric V-tach
B-9: Pediatric PSVT