10 results
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
MRI Brain Sequence ... Devpriyo Pal @drdevrad ... T1 #T2 #FLAIR #MRI ... Comparison #clinical #radiology ... #diagnosis #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... granulomatosis: • EBV-associated ... Syphilis • Pyogenic Abscess ... #causes #radiology ... #neurology
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
pronation • Possible associated ... ligamentous injury (LCL ... Forearm #Ulnar #Radiology ... #XRay #Diagnosis ... Orthopedics #Proximal #MSK
HIV-Associated Neurocognitive Disorder (HAND)

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

Pathophysiology:
HIV frequently
HIV-Associated Neurocognitive ... , but MRI will show ... Diagnosis: MRI ... Decrease in striatal gray ... dementia #AIDS #Neurology
Primary and Secondary Headaches - Red Flags and Differential Diagnosis
Red Flags (SNOOP):
S - Systemic		
N - Neurologic
and Differential Diagnosis ... Sudden O - Other Associated ... Encephalitis, Abscess ... Amy Chung, MD, MSc ... secondary #management #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
Principles of HIV-Associated ... Periventricular regions; associated ... Imaging: - MRI ... tuberculomas, or abscesses ... InfectiousDiseases #Neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Spinal infection/abscess ... • Provocative Tests ... absent anal wink test ... Imaging studies: • MRI ... #causes #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Associated with: ... myasthenia Diagnosis ... Bedside: ice pack test ... /Edrophonium test ... #management #neurology
Hyperkalemia - Diagnosis and Management - GrepMed Handbook

S/Sx: Most pts asymptomatic. Weakness, cramping, nausea, paresthesias, palpitations,
Hyperkalemia - Diagnosis ... Antibiotics (Bactrim, PCN ... tourniquet / IVF line draw ... Cortisol+ACTH stim test ... Treatment #potassium #nephrology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
specific questions to ask ... Assess functional ... determine if stress test ... risk Chest X-ray ... stratification #diagnosis