Lignocaine for local anaesthetic, cardiac arrhythmia

1. 
   Ventricular arrythmias
   
2. 
   Local anaesthesia
   
3. 
   Topical anaesthesia
   

1. 
   Ventricular arrythmias: 1 mg/kg (0.1 ml/kg of 1%) loading dose. Follow within 15 minutes with an infusion of 10-50 microg/kg/min otherwise repeat loading dose if infusion delayed >15 minutes.
   
2. 
   Local anaesthesia: maximum dose without adrenaline 5 mg/kg
   
3. 
   Surface (Topical) anaesthesia: of mouth, throat and upper GI tract: mixture up to 3 mg (0.15 ml)/kg/dose
   

1. 
   Loading dose can be repeated within 15 minutes if infusion not started
   
2. 
   Local anaesthesia: do not repeat
   
3. 
   Topical: do not repeat within 2 hours
   

1. 
   IV over 2 minutes
   
2. 
   Local infiltration
   
3. 
   Topical, can dab onto severe mouth ulcers before feeds
   

2 and 3) As per interval above

Mixture: 2% Xylocaine Viscous

Gel: 2%