Emergency Head Injury Management: Lumbar Puncture Contraindication
In emergency settings, managing patients, especially children, with symptoms like headache and vomiting after a fall requires careful consideration of potential increased intracranial pressure (ICP).
Recommended Emergency Treatments
- Intravenous mannitol: Acts as an osmotic diuretic to reduce brain swelling and ICP.
- Hypertonic saline (e.g., 3% NaCl): Also reduces ICP by drawing water out of brain tissue.
- Head elevation: Raising the head of the bed to 30 degrees aids cerebral venous drainage, lowering ICP.
Lumbar Puncture Contraindication
A therapeutic lumbar puncture is generally not recommended in the emergency room for patients with suspected increased ICP due to head trauma.
- Reason: Performing an LP can create a significant pressure gradient between the cranial cavity and the spinal subarachnoid space.
- Risk: This sudden pressure shift can precipitate or worsen brain herniation, a life-threatening condition, particularly if a mass lesion or significant cerebral edema is present.
Therefore, lumbar puncture is avoided as an emergency treatment modality in this scenario.
Important Questions from Paediatric Emergencies
- In case of hypertensive emergency in a child, blood pressure should be reduced by up to :
- At what cut-off respiratory rate will you consider "fast breathing" in a 2-year-old child?
- The recommended ratio for chest compression to breaths administered by a single rescuer during resuscitation of a child in cardiac arrest is:
- A 4-year-old comatose child is assessed by the Modified Glasgow Coma Scale. Which of the following is the correct interpretation of the score given as E2V3M2 for the best eye opening response, best verbal response and best motor response respectively?
A 6-year old child needs to undergo a central Catheter placement for total parental nutrition.The procedure is likely to evoke pain and anxiety. Which of the following is the most appropriate drug for sedation and analgesia in this child?
