9 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 ... #clinical #radiology ... #diagnosis #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... PCR 50% sensitive ... Syphilis • Pyogenic Abscess ... RingEnhancing #Lesions #Brain ... #neurology
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... should be based on clinical ... Imaging: - MRI ... tuberculomas, or abscesses ... #AIDS #opportunistic
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 ... Diagnosis: MRI ... : The clinical ... disorder #dementia #AIDS ... #Neurology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
and Metabolic Brain ... Pons: ODS #MRI ... #Disorders #Clinical ... #Differential #Diagnosis ... #Radiology #Neurology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... may precede the neurologic ... circulation: MCA ACA ... parietal lobes of the brain ... #management #neurology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Assess functional ... algorithm to determine ... Change in clinical ... one post op Cardiology ... stratification #diagnosis
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 ... Bicarb<22) - avoid NS ... Ca-gluconate or 1g CaCl
Mycoses

HISTOPLASMOSIS
• Inhalation of conidia → Yeast → travel to lymph nodes → spread in body
• Bird
yeast • At risk: AIDS ... especially the CNS ... MC: CNS CSF: • ... • Sinusitis • Brain ... abscess • Disseminated