Lignocaine Flashcards
1
Q
Lignocaine
Presentation
A
20mg/2ml OR 50mg/5mL; (both 1%) in a plastic ampoule
.
2
Q
Lignocaine
Use
A
Local anaesthesia for: • IV cannulation • IO infusion • Suturing • Finger thoracostomy in the conscious patient .
3
Q
Lignocaine
Type
A
• Sodium Channel blocker.
4
Q
Lignocaine
Dose
A
Intradermal: • 0.1ml Intraosseous: • Small child: 10mg in 1ml • Small adult/large child: 20mg in 2ml • Adult: 40mg in 4ml (2 ampoules) May be repeated at a second site if needed. Finger Thoracostomy: .
5
Q
Lignocaine
Actions
A
• Onset 1-2 minutes.
6
Q
Lignocaine
Contraindications
A
• Hypersensitivity
7
Q
Lignocaine
Adverse effects
A
• Tinnitus, dizziness, anxiety, confusion, perioral numbness
• Cardiovascular effects: Bradycardia, hypotension, dysrhythmias
• CNS effects
• Respiratory depression
.
8
Q
Lignocaine
Precautions
A
• Adverse drug reactions are rare when lignocaine is used as a local anaesthetic and is administered correctl.
