14 results
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
PCP with valacyclovir ... other potential causes ... The MRI findings ... Ophthalmicus #HZO #clinical ... #physicalexam #neurology
Bell's Palsy - Diagnosis and Management Summary - GrepMed Handbook

Acute Idiopathic Unilateral Facial Nerve (CN7) Palsy
Presentation:
Bell's Palsy - Diagnosis ... - Atypical Clinical ... atypical symptoms): MRI ... CNS inflammatory cause ... Management #Treatment #Neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
/ AIDS - Differential ... should be based on clinical ... Imaging: - MRI ... Demyelinating disease caused ... InfectiousDiseases #Neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... toxo IgG • CNS PCR ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
pachymeningitis • HIV ... neuropathy (LHON) plus MRI ... lesions and clinical ... BEE #Syndromes #neurology ... noninflammatory #differential
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
lumbar spine • MCC ... - Emergency Causes ... cord infarct • HIV ... Imaging studies: • MRI ... #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
- Causes progressive ... EMG: LMN Signs in ... MRI: Brain, cervical ... conditions listed in differential ... Lateral #Sclerosis #neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
Bacterial Meningitis - Differential ... : HSV 1): • Herpes ... • Common clinical ... CNS #Infections #differential ... #diagnosis #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Epidemiology: • 1-2 cases ... Campylobacter jejuni - HIV ... Guillain-Barre Clinical ... axonal form • MRI ... management #treatment #neurology
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... e.g., uptake by cells ... www.ncbi.nlm.nih.gov/pmc ... to bolus these values ... Ethylene glycol - HIV