Lidocaine

Question 1

Lidocaine

Class

Answer 1

Anti-arrhythmic Class 1B. Ventricular Arrhythmias

Question 2

Lidocaine

Presentation

Answer 2

Lidocaine Injection Minijet 1% w/v 100mg per 10ml
Ampoule 1% Lidocaine 50mg/5ml 1%

Question 3

Lidocaine

Administration

Answer 3

Intravenous (IV)
Intraosseous (IO)

Question 4

Lidocaine

Indications

Answer 4

1: When Amiodarone is unavailable it may be substituted with Lidocaine for VF/pVT arrests - (special authorisation required)
2: Solvent for Ceftriaxone IM
3: Pain Management

Question 5

Lidocaine

Contraindications

Answer 5

No contraindications for cardiac arrest
KSAR when used as a dilutant for Ceftriaxone

Question 6

Lidocaine

Dosage

Answer 6

Adult:
1: 100mg IV
2: Solvent 3.5ml for CeftriaxoneIM
3: Lidocaine 1%, 40mg IO over 2 mins, wait 1 min, 2nd dose Lidocaine 1% 20 mg IO over 1 min. (supplementary dose of 1% 20mg x 1 no sooner than 45 mins)

Paed:
1: 1 - 1.5mg/Kg IV (Max 3mg/Kg)
2: Solvent 3.5ml for Ceftriaxone IM
3: 1% 500mcg/kg (max 40mg) IO over 2 mins. Wait 1 min, 2nd dose 250mcg/kg IO over 1 min. Total Max 60 mg

Question 7

Lidocaine

Side Effects

Answer 7

Drowsiness, 
dizziness,
twitching, 
paraesthesia, 
convulsions
Bradycardia
Respiratory depression

Question 8

Lidocaine

Additional Info

Answer 8

Lidocaine may not be administered if Amiodarone has been administrated