9 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
granulomatosis: • EBV-associated ... cryptococcus, and aspergillus ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
- Other positives ... cut-offs defined in clinical ... BAL GM does not differentiate ... - Frozen ice-pops ... Galactomannan #diagnosis
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
Viruses (HSV, EBV ... Influenza A FUNGAL - Aspergillus ... Miller-Fisher GBS; Positive ... #Diagnosis #Causes ... #Neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... should be based on clinical ... effect/Edema • EBV ... and <25% culture positive ... #Infections #differential
Creatine Kinase - Causes of Elevated CK Levels
Acute CK Elevation (Pain > Weakness):
 • RHABDOMYOLYSIS
(COVID19, CMV/EBV ... immobility • Critical ... Illness Myopathy (ICU ... #Elevated #CK #differential ... #diagnosis #rhabdomyolysis
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... virus • CMV • EBV ... • Common clinical ... Singh @rav7ks #CNS ... #diagnosis #neurology
Spinal Cord Disorders - Differential Diagnosis Framework

Spinal cord neurological lesion:
Clinical findings:
 • Symptoms and signs below
Diagnosis Framework ... neurological lesion: Clinical ... Mycoplasma, Influenza, EBV ... Coccidioides, Aspergillus ... #neurology #differential
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Agglutinin Syndrome (CAS ... Viral Infection Clinical ... dehydrogenase • Positive ... - Mycoplasma, EBV ... younger pts) Differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... Transverse Myelitis - Clinical ... Brucellosis - Dengue, EBV ... #management #neurology ... #differential