49 results
Severe Aortic Stenosis on Cardiac CTA

Dr. Stephan Achenbach @Steph_Achenbach

#Aortic #Stenosis #CardiacCTA #CCTA #clinical #cardiology #radiology
Severe Aortic Stenosis ... on Cardiac CTA ... Steph_Achenbach #Aortic ... #Stenosis #CardiacCTA ... #CCTA #clinical
Severe Aortic Stenosis on Cardiac CTA

Cardac CT: Degenerative aortic valve stenosis (pre-TAVI) 

Dr. Stephan Achenbach @Steph_Achenbach

#Aortic
Severe Aortic Stenosis ... on Cardiac CTA ... : Degenerative aortic ... valve stenosis ... #CCTA #clinical
Papilledema vs Normal Optic Disc

Blurred vs sharp optic disc margins

#Papilledema #OpticDisc #Normal #Comparison #Fundoscopy #Ophthalmology #Clinical
Papilledema vs Normal Optic ... Blurred vs sharp optic ... Comparison #Fundoscopy #Ophthalmology
Visual Pathway Neural Lesions
A) Optic Nerve → Left Anopia
B) Optic Chiasm → Bitemporal Hemianopia
C) Lateral Geniculate
Neural Lesions A) Optic ... Left Anopia B) Optic ... Hemianopia D) Optic ... Pathway #Lesions #Optic ... #ophthalmology
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
 -
Neuro-OphthaImoIogy ... Localization Map - Optic ... vision loss) - Optic ... Meningioma • Optic ... hemianopia) - Optic
Acute Monocular Vision Loss - Differential Diagnosis Framework
 • Cornea: Keratitis
 • Anterior Chamber: Hyphema, Acute
Endophthalmitis • Optic ... Nerve: Optic neuritis ... CRVO, CRAO) • Optic ... bleed) After the optic ... Differential #Diagnosis #ophthalmology
Optic Ataxia on Physical Exam
Inability to reach an object via eyes while visual acuity and visual
Optic Ataxia on ... fields are normal #Optic ... video #neurology #ophthalmology
Classic signs of arteritic anterior ischemic optic neuropathy or giant cell arteritis are mild arterial narrowing
anterior ischemic optic ... Korean Journal of Ophthalmology ... anterior #ischemic #optic ... #disc #nerve #Ophthalmology
Pathological Optic Disc Cupping

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

Thinning of optic disc
Pathological Optic ... Thinning of optic ... neuroretinal rim so that optic ... slow death of optic ... Cupping #fundoscopy #ophthalmology
Isocoria - Pupillary Defects - Differential Diagnosis Algorithm
Relative Afferent Pupil Defect
 • Optic Neuritis
 • Ischemic
Pupil Defect • Optic ... Neuritis • Ischemic Optic ... Neuropathies • Optic ... Traumatic/Compressive Optic ... Algorithm #Causes #Ophthalmology