Neuro: Epilepsy: Free MSRA Podcast

⚕️ FREE MSRA PODCAST – Epilepsy🎧 A high-yield, exam-focused breakdown of this chronic neurological disorder with recurrent seizures – essential for clinical and exam mastery.🧠 Key Learning Points📌 Definition• Epilepsy = chronic neurological disorder with recurrent, unprovoked seizures• Caused by abnormal, hypersynchronised electrical activity in the brain• Diagnosis = ≥2 unprovoked seizures, separated by >24h📌 Causes & Risk Factors• Idiopathic (unknown) in most• Secondary: brain injury/trauma, stroke, CNS infections, tumours, genetic syndromes, neurodevelopmental conditions, prenatal injury, metabolic derangements• Triggers: alcohol, certain drugs, sleep deprivation, flashing lights• Risk ↑ in childhood & >60y, and with learning disabilities📌 Pathophysiology• Abnormal electrical discharges disrupt normal brain function• Neurotransmitter imbalance (too much excitation, not enough inhibition)• Ion channel dysfunction, structural brain lesions📌 Symptoms• Wide range: convulsions, loss of awareness, sensory/motor/autonomic changes, auras, postictal confusion• Generalised: tonic-clonic, absence, myoclonic• Focal: motor (jerking, Jacksonian march), sensory (deja vu, jamais vu), emotional• Postictal state: confusion, headache, fatigue📌 Classification (ILAE)• Focal (one area): aware, impaired awareness• Generalised (both hemispheres): tonic-clonic, absence, myoclonic, atonic• Unknown onset• Focal to bilateral (secondary generalised)📌 Differential Diagnosis• Syncope (faint), psychogenic non-epileptic seizures (PNES), sleep disorders, TIAs, migraines with aura, metabolic disturbances, movement disorders📌 Diagnosis• Clinical history (eyewitness account vital)• EEG: abnormal patterns, helps classify• Brain MRI (preferred) or CT: rule out lesions, tumours• Bloods: metabolic, genetic, infection screens• Consider ECG (exclude cardiac cause), neuropsychology, genetic testing📌 ManagementAcute:• Status epilepticus = emergency (ABCDE, benzodiazepines, escalation)Long-term:• Anti-epileptic drugs (AEDs): – Generalised: sodium valproate 1st line (⚠️ avoid in pregnancy) – Absence: sodium valproate or ethosuximide – Myoclonic: sodium valproate – Focal: carbamazepine or lamotrigine• Alternatives: levetiracetam, clonazepam, oxcarbazepine• Non-drug: ketogenic diet (esp. in children), vagus nerve stimulation, epilepsy surgery (for localised, drug-resistant cases)• Lifestyle: sleep hygiene, trigger avoidance, driving safety (DVLA rules!), psychosocial support📌 Complications• Status epilepticus, injuries (falls, drowning, burns), cognitive impairment, psychiatric (anxiety, depression, stigma), medication side effects, bone health issues (osteoporosis), SUDEP (sudden unexpected death in epilepsy)📌 Prognosis• 70% achieve remission (5y seizure-free, often off meds)• Worse outlook if multiple seizure types, learning disabilities, abnormal neuro exam, structural brain abnormality• 25% of all cases occur in those with learning disabilities• Misdiagnosis rates up to 30% in adults!📎 More MSRA Resources for Epilepsy📝 Revision Notes: https://www.passthemsra.com/topic/epilepsy-revision-notes/🧠 Flashcards: https://www.passthemsra.com/topic/epilepsy-flashcards/💬 Accordion Q&A Notes: https://www.passthemsra.com/topic/epilepsy-accordion-qa-notes/🚀 Rapid Quiz: https://www.passthemsra.com/topic/epilepsy-rapid-quiz/🧪 Quiz Bank: https://www.passthemsra.com/quizzes/epilepsy/🎓 Full Course: https://www.passthemsra.com/courses/neurology-for-the-msra/#MSRA #MSRARevisionNotes #MSRATextbook #MSRAQuiz #MSRAQuestionBank #MSRAFlashcards #MSRAQANotes #MSRAAccordions #MultiSpecialityRecruitmentAssessment #MSRAOnlineRevision #MSRARevisionWebsite #Epilepsy #Neurology