9 results
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 ... signal intensity on T2 ... disorder #dementia #AIDS ... #Neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... may precede the neurologic ... Etiology: • Pathophysiology ... Increased signal on T2 ... edema visualized as
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... Transverse Myelitis - Clinical ... Hyperreflexia develops later ... - Increased T2 ... #management #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
lateral sclerosis Pathophysiology ... - Causes progressive ... features developing later ... MRI: Brain, cervical ... Lateral #Sclerosis #neurology
Cullen's sign. Lipase 1,781. Bruising in the skin around the umbilicus. This sign is named after
pancreatitis but can also ... Pathophysiology: ... It's typically a late ... #cullensign #em ... #peritonitis #IM
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 ... Guillain-Barre Clinical ... axonal form • MRI ... management #treatment #neurology
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Incidence: 1 to 2 cases ... the underlying pathophysiology ... or axonal • MRI ... Hospital of Baltimore IM ... #management #neurology
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
meningitis on T2 ... Diagnosis? ... Nausea & vomiting ... #MRI #Brain #clinical ... #radiology
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
has five major clinical ... fungal stain of clinical ... yeast • At risk: AIDS ... Aspergillosis Pathophysiology ... • Sinusitis • Brain