9 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... #differential #diagnosis ... #causes #radiology ... #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... Diagnosis Framework ... Imaging: - MRI ... Demyelinating disease caused ... #AIDS #opportunistic
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 ... and infects the CNS ... Diagnosis: MRI ... disorder #dementia #AIDS ... #Neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... that results in CNS ... bouts of HTN Diagnostic ... • Infectious causes ... #management #neurology
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 Pathophysiology ... Guillain-Barre Diagnosis ... axonal form • MRI
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
Immunosuppressive agents, Renal ... Etiology: • Pathophysiology ... the underlying cause ... until cause identified ... #management #neurology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... lysis) ± Urine ... only if no clear cause ... Bicarb<22) - avoid NS ... Treatment #potassium #nephrology
Hepatorenal Syndrome (HRS)

Definition:
• Functional, potentially reversible kidney impairment.
• Occurs in advanced liver disease: cirrhosis, severe alcoholic
Caused by splanchnic ... Pathophysiology: ... Exclude other AKI causes ... Syndrome #Hepatology #Nephrology ... #Diagnosis
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
Diagnosis? ... low glucose) CNS ... Nausea & vomiting ... of K+ & Mg in urine ... Brain #clinical #radiology