32 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
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... cells per μL • Diagnosis ... Imaging: - MRI ... Demyelinating disease caused ... #differential #diagnosis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... toxo IgG • CNS PCR ... nodules, may also see ... RingEnhancing #Lesions #Brain ... #causes #radiology
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
Non-inflammatory Causes ... affecting the Brain ... conjunction with symptoms ... pachymeningitis • HIV ... neuropathy (LHON) plus MRI
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
Evaluation • ABCs • IV ... brain w/o contrast ... Evaluate underlying cause ... Ruled out other causes ... stroke #workup #diagnosis
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs/symptoms ... can only be confirmed ... heart valves • MRI ... brain for cerebral ... #Endocarditis #comparison
Pericarditis can be seen on EKG with diffuse ST elevations without reciprocal changes along with diffuse
often follows a URI ... in refractory cases ... #Pericarditis #Cardiology ... #Diagnosis #Signs ... #Symptoms
Common MRI Sequences - Basic MRI Brain Interpretation

 • T1 Sequence - T1 is for anatomy.
Common MRI Sequences ... - Basic MRI Brain ... teachplaygrub #MRI ... #Sequences #Radiology ... Neuroradiology #diagnosis
Traditionally, congestive heart failure has been classified according to severity of symptoms, first formulated by the
heart failure has been ... to severity of symptoms ... flare ups that cause ... symptoms. ... #Diagnosis #Cardiology