Binocular visual loss, acute visual loss, cardioembolic stroke, cerebral angiography, DSA, selective intraarterial thrombolysis, visual pathway infarction, posterior circulation stroke, occipital lobe infarction, cortical blindness, visual pathway ischemia, neuro-ophthalmology, emergency stroke imaging, interventional neuroradiology PART 5 — QUIZ + ADVANCED INTERPRETATION Binocular Visual Loss Caused by Acute Cardioembolic Stroke QUIZ Q1. A 43-year-old woman developed sudden deterioration of consciousness accompanied by acute binocular visual loss during percutaneous mitral balloon valvuloplasty . Digital subtraction angiography (DSA) revealed distal occlusion of both posterior cerebral arteries (PCAs) . Which diagnosis best explains this patient’s clinical presentation? A. Hemi-neglect B. Paratonic rigidity C. Urinary incontinence D. Binocular visual loss E. Verbal agnosia Answer: D. Binocular visual loss. Explanation: Bilateral distal PCA occlus...
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