9 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
- Compatible syndrome ... + MRI lesions + ... lung nodules, may also ... #diagnosis #causes ... #radiology #neurology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
HIV dementia Pathophysiology ... Diagnosis: MRI ... The clinical syndrome ... #dementia #AIDS ... #Neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Imaging: - MRI ... Demyelinating disease ... caused by the JC ... diagnosis #AIDS
Widened Pulse Pressure - Differential Diagnosis and Pathophysiology

Pulse pressure is the difference between the systolic blood
Diagnosis and Pathophysiology ... Pulse pressure - associated ... Acute Coronary Syndrome ... #Diagnosis #Pathophysiology ... #causes #cardiology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Summary Acute AIDP ... Guillain-Barre Pathophysiology ... response preceding infection ... axonal form • MRI ... #treatment #neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... bouts of HTN Diagnostic ... causes need to ... #management #neurology ... #differential
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
fluctuations PRES-Associated ... Shock, Autoimmune disease ... Etiology: • Pathophysiology ... Reversible course Differential ... #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
affects the skin, neurologic ... oligoclonal bands • MRI ... VASCULITIS: ANCA Associated ... tract, and often causes ... aneurysms can also
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
are a group of disorders ... Myeloproliferative Disease ... changes that are associated ... blood count with differential ... #diagnosis #hematology