21 results
The Mandibular Nerve Block Anatomy 
The mandibular nerve, the largest branch of the trigeminal nerve, exits
Block Anatomy ... The large posterior ... which reach the mental ... , becoming the mental ... #Anatomy #Mandibular
Central Retinal Artery Occlusion (CRAO)
Anatomy: First branch of the internal carotid artery is the ophthalmic artery
Occlusion (CRAO) Anatomy ... splits into the posterior ... Causes: - Carotid ... #Clinical #Ophthalmology ... #Fundoscopy #Central
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Central Retinal ... Second most common cause ... disease (Most common cause ... ) #Clinical #Ophthalmology ... #Fundoscopy #Central
Pathological Optic Disc Cupping

Note cup-to-disc ratio at least 0.8 (physiologic limit of 0.5).

Thinning of optic disc
Usual cause is glaucoma ... Glaucoma causes ... death of optic nerve ... OpticDisc #Cupping #fundoscopy ... #ophthalmology
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
 -
Neuro-OphthaImoIogy ... Map - Optic Nerve ... • Optic nerve ... Differential #Diagnosis #Anatomy ... #Causes #Ophthalmology
Anterior ischemic optic neuropathy (AION) - Recognition of giant cell arteritis (GCA)

1) Is visual loss caused
Is visual loss caused ... disorder of the optic nerve ... thrombosis of short posterior ... altitudinal defect • Fundoscopy ... #Rheumatology #Ophthalmology
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
Radial Nerve Anatomy ... is the nerve of ... roots via the posterior ... (which provide central ... #Anatomy #diagnosis
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Framework If Altered Mental ... Oculomotor (3rd cranial nerve ... SAH, tumor • Posterior ... no neurological cause
Vision Loss - Differential Diagnosis
Chronic: 
  - Cornea: Scarring, Edema
  - Lens: Cataracts
inflammation - Optic Nerve ... Retinal Detachment, Central ... Artery Occlusion, Central ... Differential #Diagnosis #causes ... #ophthalmology
Transient Monocular Vision loss - Differential Diagnosis
Ischemia	
 - Large artery disease (atherothrombosis, embolus, dissection).
  -
Caused by decreased ... nerve perfusion ... Ocular causes - ... floaters obscuring central ... Differential #Diagnosis #Ophthalmology