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Sudden Vision Loss: Free MSRA Podcast

Sudden Vision Loss: Free MSRA Podcast

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 🎧 MSRA Deep Dive: Sudden Loss of Vision — Know the Red FlagsWelcome to a focused revision session tackling a true emergency: Sudden Loss of Vision. Whether it’s a descending curtain or total blackout, this symptom demands urgent action. Let’s break down what it means and how to act fast.🔍 What Is Sudden Vision Loss?A rapid drop in sight over minutes to hours — partial or complete, painless or painful.🔸 TMVL (Transient Monocular Vision Loss): sudden, brief vision loss in one eye (aka amaurosis fugax) — a vascular red flag.💡 Causes – Mnemonic: VRRT“Vessels Ripped Retina Transiently” for painless causes:Vascular: CRAO, CRVO, ischaemic optic neuropathyRetinal detachment: curtain-like shadowRetinal migraineTMVL or vitreous haemorrhageOther causes:Posterior vitreous detachment (flashes/floaters)Acute glaucoma (painful!)Optic neuritis (pain + colour loss)StrokeTemporal arteritisOcular traumaMedication (e.g. sildenafil)🧠 Pathophysiology Simplified• ↓ Blood flow (e.g. CRAO, GCA)• Retinal damage (e.g. detachment, haemorrhage)• Obstructive (e.g. vitreous blood)📋 Risk Factors• Age >60• Hypertension, diabetes• Glaucoma• Polycythaemia• Smoking• Anticoagulants• Eye trauma or surgery🩺 Key Features✅ Sudden unilateral/bilateral vision loss✅ Curtain descending → retinal detachment✅ Central blackout → vascular cause✅ Flashes/floaters → PVD or detachment✅ Painful red eye → acute glaucoma or GCA✅ Colour vision loss, painful movement → optic neuritis🧪 Investigations• Visual acuity• Pupil reflexes (RAPD)• Slit-lamp + fundoscopy• Tonometry• OCT or fundus imaging• ESR/CRP (for GCA)• Visual fields• Neuroimaging if stroke suspected💊 Management – Urgent & Targeted• CRAO: Ocular massage, thrombolysis (if <6h)• CRVO: Monitor, manage risk factors• Retinal detachment: Emergency surgery• Vitreous haemorrhage: Observe or vitrectomy• Temporal arteritis: IV steroids immediately• Acute glaucoma: Rapid IOP reduction + ophthalmology• Stroke: Urgent neuro team referral🕒 TIME = SIGHT → act fast to save vision📈 Prognosis• Depends on cause + treatment speed• Delays → permanent loss• Emotional impact significant• Prompt diagnosis = best outcomes🧠 Top MSRA Tips• Sudden vision loss = red flag• "Curtain" = retinal detachment• Central blur + haemorrhages = CRVO• Floaters/flashes in older patient = PVD• Raised ESR + vision drop = GCA → steroids NOW• Always assess pain, speed, and associated features📚 Sudden Vision Loss – MSRA Resources📝 Revision Notes: PassTheMSRA.com🃏 Flashcards: Flashcards📖 Q&A Notes: Accordion Notes🎯 Rapid Quiz: Quiz🧠 Practice Quiz: Full Quiz🌐 Explore more:www.PassTheMSRA.comwww.FreeMSRA.com🏁 Final TakeawaySudden vision loss is a clinical emergency until proven otherwise. A focused history, basic eye exam, and fast referral can prevent blindness — or save a life. Don’t miss it.#MSRA #SuddenVisionLoss #Ophthalmology #RetinalDetachment #CRAO #CRVO #MSRARevision #PassTheMSRA #FreeMSRA #MedicalEmergency #TMVL #GCA #OpticNeuritis #MSRAQuiz #MSRAFlashcards #VisionLoss

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