8 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Toxoplasmosis (CD4 ... lung nodules, may also ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
Lateral Sclerosis (ALS ... lateral sclerosis Pathophysiology ... - Causes progressive ... MRI: Brain, cervical ... Lateral #Sclerosis #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 ... and infects the CNS ... HIV and with low CD4 ... reversible • HAND is also ... dementia #AIDS #Neurology
Tromner Sign on Physical Exam

The Trömner sign is commonly used as a clinical neurological examination for
upper motor neuron lesions ... or index finger causes ... flexion of all ... Reflex #clinical #Video ... #Neurology #physicalexam
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
monophasic Pathophysiology ... that results in CNS ... • Bilateral signs ... • Infectious causes ... diagnosis #management #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
purpura: Strong sign ... tract, and often causes ... , Elevated AST ALT ... aneurysms can also ... chorioretinitis, CNS
The Neurological Evaluation of a Comatose Patient

Definition:
 • Coma: a state of unresponsiveness; the absence of
• Mutism Pathophysiology ... stimulation to all ... • Examine for signs ... Casey Albin MD @ ... #PhysicalExam #neurology
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
low glucose) CNS ... organism (soap bubble sign ... Nausea & vomiting ... meningitis #T2 #MRI #Brain ... #clinical #radiology