Neuro: Basal Skull Fractures: Free MSRA Podcast

🎧MSRA Free Podcast –Basal Skull FracturesHigh-yield audiorevision covering everything from mechanism to management – perfect for MSRAneurology prep! 🧠Key Learning Points📌Definition• Basal skullfractures (BSFs) occur at the skull base – may involve temporal, occipital,sphenoid, ethmoid bones.• Typically from high-energy trauma: MVAs, falls, assaults.📌Causes & RiskFactors• Direct or transmitted force (e.g. facialtrauma, cervical spine impact).• Risk ↑ in: contactsports, alcohol/drug use, no helmet use, construction work.📌Pathophysiology• Damage to bones +adjacent structures: meninges, cranial nerves, vessels.• CSF leaks occur ifdura is breached → rhinorrhoea, otorrhoea.• Bruising (e.g. raccoon eyes, Battle’ssign) tracks from deep tissue bleeding.• Associated with cervical spine and brain injury – always rule these out.📌Clinical Features• Visual signs: raccoon eyes, Battle's sign.• CSF leaks: clear fluid from nose/ear.• Bleeding: ear bleeding (otorhagia).• Cranial nerve palsies: facial droop, hearingloss, dysphagia.• ↓ GCS → suggests concurrent intracranialinjury.📌Investigations• CT scan – gold standard for diagnosis andintracranial injury.• Beta-2 transferrin – confirms CSF fluid.• Endoscopy/otoscopy – identify CSF leak site.• MRI/angiography ifvascular or soft tissue detail needed.📌Differentials• Concussion• Facial fractures• Brain contusion• Isolated CSF leakswithout skull fracture📌Management• ABC and C-spine stabilisation first.• Conservative: stable fractures → admit forobservation and symptom control.• Surgical: required for displaced fractures,intracranial bleeds, persistent CSF leaks, cranial nerve decompression.• Avoid NGTs – use OGT to prevent intracranialinsertion.• NO routine prophylactic antibiotics, even withCSF leak.• Monitoranticoagulated patients closely.📌Complications• Meningitis• Cranial nerve damage – facial palsy, hearingloss• Seizures (post-traumatic epilepsy)• Cognitive decline, behavioural change• Persistent CSF leak• Facial deformities• Intracranial haemorrhage (e.g. EDH/SDH)• Osteomyelitis of skull base📌Prognosis• Depends onseverity and associated brain injury.• Isolated fracturesmanaged promptly = favourable outcome.• Long-termcomplications possible even with conservative care. 🗂️Basal Skull FracturesResources📄 Revision Noteshttps://www.passthemsra.com/topic/basal-skull-fractures-revision-notes/🧠 Flashcardshttps://www.passthemsra.com/topic/basal-skull-fractures-flashcards/💬 Accordion Q&Ahttps://www.passthemsra.com/topic/basal-skull-fractures-accordion-qa-notes/🚀 Rapid Quizhttps://www.passthemsra.com/topic/basal-skull-fractures-rapid-quiz/🎯 Quiz Practicehttps://www.passthemsra.com/quizzes/basal-skull-fractures/🎓 Full Neurology Coursehttps://www.passthemsra.com/courses/neurology-for-the-msra/Learn more and test yourself athttps://www.passthemsra.com/https://www.freemsra.com/ #MSRA #MSRARevision#BasalSkullFractures #MSRANeurology #MSRAFlashcards #MSRAQANotes #MSRAQuiz#PassTheMSRA #FreeMSRARevision #MSRAExam #Neurology