33 results
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
Algorithm for evaluating ... ring-enhancing lesions ... #cns #brain #diagnosis ... #differential # ... #radiology #neurology
McDonald Criteria for Diagnosis of Multiple Sclerosis
 • 2 or more attacks, 2 or more lesions
McDonald Criteria for Diagnosis ... implicating a different CNS ... McDonald #Criteria #Diagnosis ... Multiple #Sclerosis #MS ... #neurology
Arrhythmias - Differential Diagnosis Algorithm
May present as: palpitations, dizziness, syncope, chest discomfort
Cardiac Causes:
 - Structural
Diagnosis Algorithm ... tissue (previous MI ... Generalized Anxiety Disorder ... #Arrhythmias #Cardiology ... Diagnosis #Algorithm
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... should be based on clinical ... Suspect in movement disorders ... Imaging: - MRI ... #Infections #differential
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Diagnosis Framework ... Non-neuromuscular disorder ... EMG) studies • MRI ... #Diagnosis #neurology
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... and signs (e.g., fever ... Space-occupying brain lesion ... • CNS infection ... #Diagnosis #Algorithm
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
and infects the CNS ... similar to PML, but MRI ... Diagnosis: MRI ... Clinical Presentation ... : The clinical
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
that results in CNS ... Transverse Myelitis - Clinical ... back pain at/near level ... defined sensory level ... #differential
Focal Periphyseal Edema (FOPE lesion) - MSK Radiology
Imaging Findings:
 • Arrows identifying the characteristic edema-like signal
) - MSK Radiology ... (save $$) Differential ... #clinical #mri ... #clinical #Radiology ... #diagnosis #msk