19 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... lung nodules, may also ... Lesions #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Main types of autoimmune encephalitis in the ICU. 
Anti-NMDAR anti-N-methyl-d-aspartate receptor, ADEM acute disseminated encephalomyelitis, Anti-GFAP
cerebrospinal fluid, MRI ... electroencephalography, Abs ... #encephalitis #comparison ... #table #neurology ... #diagnosis
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Autoimmune (SLE/APLS ... heart valves • MRI ... often seen • MRI ... #Endocarditis #comparison ... #table
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Diagnosis Framework ... should be based on clinical ... Imaging: - MRI ... #Infections #differential
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... family history - Medications ... (CVID, WAS), (neurologic ... changes), high MCV ... not required in all
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... skin injury) • Neurologic ... Medium and large also ... Behcet syndrome (Clinical ... Behcet disease) Differential
BEE Syndromes - Non-inflammatory Causes

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

Visual or auditory symptoms in
nervous system (CNS ... neuropathy (LHON) plus MRI ... lesions and clinical ... BEE #Syndromes #neurology ... noninflammatory #differential
CNS Infections - Viral Encephalitis and Bacterial Meningitis - Differential Diagnosis Framework

Viral Encephalitis:
MCC: Enteroviruses (e.g., coxsackievirus
CNS Infections - ... • Common clinical ... /l is regarded as ... Singh @rav7ks #CNS ... #diagnosis #neurology
HIV-Associated Neurocognitive Disorder (HAND)

Definition:
HIV-Associated Neurocognitive disorders categories:
• Asymptomatic neurocognitive impairment
• Mild neurocognitive impairment
• HIV dementia

Pathophysiology:
HIV frequently
and infects the CNS ... similar to PML, but MRI ... Diagnosis: MRI ... reversible • HAND is also ... dementia #AIDS #Neurology
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... chest pain, such as ... MI or aortic dissection ... #Presentation #comparison ... #Table #Diagnosis