42 results

Posterior cerebral artery (PCA) strokes can be challenging to diagnose, due to the variability in symptoms,
antinsyndrome #hemianopia ... #alexia #agnosia
Visual Field Pathways and Deficits
1 Total blindness of right eye due to complete lesion of right
nerve 2 Bipolar hemianopia ... 3 Right nasal hemianopia ... Left homonymous hemianopia ... Left homonymous hemianopia ... #Hemianopia #Diagnosis
Visual Pathway Neural Lesions
A) Optic Nerve → Left Anopia
B) Optic Chiasm → Bitemporal Hemianopia
C) Lateral Geniculate
Optic Nerve → Left Anopia ... Chiasm → Bitemporal Hemianopia ... Left Homonymous Hemianopia
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
• Apraxia • Agnosia ... • Alexia • Anomia
Neuro-OphthaImoIogy - Visual Field Defects - Localization Map
 - Optic Nerve Lesion (Monocular vision loss)
 -
Lesion (bitemporal hemianopia ... Inferior homonymous hemianopia ... right homonymous hemianopia
Extrapulmonary manifestations of COVID-19
 • Neurologic: Headaches, Dizziness, Encephalopathy, Guillain-Barré, Ageusia, Myalgia, Anosmia, Stroke
 • Renal:
Guillain-Barré, Ageusia ... , Myalgia, Anosmia
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
- Progressive amnesia ... Aphaso-apraxo-agnosia
Alexia Without Agraphia
Alexia without agraphia is a disconnection syndrome where patients cannot read but can write.
right homonymous hemianopsia ... contralateral homonymous hemianopsia ... R. homonymous hemianopsia
Bilateral Acute Vision Loss - Differential Diagnosis Algorithm

Complete/ Partial Homonymous Hemianopia
 • Infarct
 • Intracranial Hemorrhage
Partial Homonymous Hemianopia
Acute Monocular Vision Loss - Differential Diagnosis Framework
 • Cornea: Keratitis
 • Anterior Chamber: Hyphema, Acute
bilateral homonymous hemianopsia