9 results
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
MRI Brain Sequence ... Devpriyo Pal @drdevrad ... #Brain #Comparison ... #clinical #radiology ... #diagnosis #neurology
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
through the blood-brain ... • Depressive symptoms ... , but MRI will show ... Diagnosis: MRI ... (JC virus) Brain
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... /symptoms or echo ... heart valves • MRI ... brain for cerebral ... #Endocarditis #comparison
Optic Neuritis - Diagnosis and Management
 • Epidemiology: Female (75%), 18-50 years,
caucasian
 • Symptoms: Moderate visual
caucasian • Symptoms ... Unilateral • Signs ... R-G or B-Y • MRI ... anterior lesions (a), Brain ... TREATMENT • IV
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
of UMN and LMN signs ... fasciculations Common Symptoms ... EMG: LMN Signs in ... MRI: Brain, cervical ... motor neurons - IV
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
• Bilateral signs ... and/or symptoms ... ruled out • Brain ... brain and/or optic ... simplex virus, HIV
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • CT: Halo sign ... Constitutional symptoms ... Pneumonia: • PVL ... #differential #diagnosis
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
headache is a symptom ... stiffness) • Brain ... loss, cancer, HIV ... Primary #Secondary #Comparison ... #Neurology #Diagnosis
Cryptococcal meningitis on T2 MRI
30 M from sub-Saharan Africa presents w/ progressive Headache x1 mo, +neck
Diagnosis? ... organism (soap bubble sign ... on mri) HIV-infected ... #Brain #clinical ... #radiology