We are regularly doing femoral blocks next to major vessels. So warn the patient of the symptoms, & keep them monitored(at least 15 min).
Symptoms of local anaesthetic toxicity
- Circumoral and/or tongue numbness
- Metallic taste
- Lightheadedness/Dizziness
- Visual/Auditory disturbances (blurred vision/tinnitus)
- Confused/Drowsiness/Fitting
- Arrhythmia
Remember – Do basics WELL
- Intralipid – in emergency drug cupboard
- Bolus – 1.5ml/kg 20% lipid solution over 1min
- also start Infusion – 15ml/kg/hr 20% lipid solution
PDF:la_tox