11 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... - Compatible syndrome ... granulomatosis: • EBV-associated ... #differential #diagnosis ... causes #radiology #neurology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... : - ANCA-positive ... anti-ANCA ab, anti-GBM ... #differential #diagnosis ... #nephrology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... pulmonary etc) • CNS ... Coxsackie, HIV, CMV, EBV ... #Differential #Diagnosis ... #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... effect/Edema • EBV ... and <25% culture positive ... #differential #diagnosis
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential Diagnosis ... • Fanconi's syndrome ... Glomerular Proteinuria (Positive ... proliferative • Anti-GBM ... #Proteinuria #Nephrology
Rhombencephalitis
BACTERIAL
- Listeria (biphasic illness with bulbar dysfunction occurring later)
- Mycobacterium tuberculosis
- Pneumococcus
- Brucella
- Borrelia (Lyme Disease)
-
Viruses (HSV, EBV ... - Bickerstaff syndrome ... Miller-Fisher GBS; Positive ... #Differential #Diagnosis ... #Causes #Neurology
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... virus • CMV • EBV ... • Gram stain: Positive ... Singh @rav7ks #CNS ... #neurology #meningitis
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cold Agglutinin Syndrome ... (CAS): - Due ... Diagnosis: • hemolytic ... dehydrogenase • Positive ... - Mycoplasma, EBV
Idiopathic CD4 Lymphopenia (ICL) / Lymphocytopenia 

DIAGNOSTIC CRITERIA FOR ICL
 • Persistent CD4 T-cell lymphopenia
 •
CD4 Lymphopenia (ICL ... Lymphocytopenia DIAGNOSTIC ... chemotherapy) • Genetic syndromes ... EBV. CMV. ... #diagnosis #hematology
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
Differential Diagnosis ... • Locked-in syndrome ... previous gaze position ... • If ok with ICU ... #PhysicalExam #neurology