8 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... + MRI lesions + ... granulomatosis: • EBV-associated ... RingEnhancing #Lesions #Brain ... #causes #radiology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
, but MRI will show ... Diagnosis: MRI ... The clinical syndrome ... disorder #dementia #AIDS ... #Neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Associated with: ... Myotonic dystrophy - Brain ... Miller Fischer and PCB ... myasthenia Diagnosis ... #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
- Differential Diagnosis ... Postsynaptic: Myasthenia Gravis ... Neoplastic: Malignancy-associated ... EMG) studies • MRI ... #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Infection in HIV / AIDS ... Principles of HIV-Associated ... Imaging: - MRI ... Demyelinating disease caused ... #AIDS #opportunistic
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... fluctuations PRES-Associated ... the underlying cause ... until cause identified ... #neurology
Acid Base Disorders - Blood Gas Interpretation

Steps for Blood Gas Interpretation: 
1. Acidemia or Alkalemia? 
2.
(AG) = {Na - (Cl ... - Differential Diagnosis ... D-lactate (short bowel syndrome ... GBS, Myasthenia gravis ... #Summary #Nephrology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Summary Acute AIDP ... Epidemiology: • 1-2 cases ... Guillain-Barre Diagnosis ... axonal form • MRI ... GQ1b IgG Antibody associated