19 results
Differential diagnosis for toxic/metabolic encephalopathies - Patterns on Brain Imaging

Cynthia Czawlytko, MD @drcyncity

#Differential #diagnosis #encephalopathies #encephalopathy
- Patterns on Brain ... encephalopathy #Brain ... imaging #patterns #MRI ... #Neurology #pathology
CT vs T1 MRI
CT Head:
 - Bones are white
 - Fat is Dark & Scalp fat
CT vs T1 MRI CT ... not apparent T1 MRI ... Brain: - Bones ... #comparison #neurology ... #radiology #brain
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
MRI Brain Sequence ... T1 #T2 #FLAIR #MRI ... #Brain #Comparison ... radiology #diagnosis #neurology
Restarting Anticoagulation after TIA or Acute Ischemic Stroke

 • TIA → Consider (re-) starting a NOAC
transformation by brain ... CT or MRI within ... transformation by brain ... CT or MRI within ... #Stroke #CVA #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 ... Toxicology #Metabolic #Brain ... Diagnosis #Radiology #Neurology
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Blood cultures/serology ... heart valves • MRI ... brain for cerebral ... often seen • MRI ... brain for cerebral
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... RingEnhancing #Lesions #Brain ... causes #radiology #neurology
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
a NCCT or • MRI ... brain w/o contrast ... Detected on NCCT vs MRI ... Defined if 1) CT/MRI-confirmed ... diagnosis #checklist #neurology
Timeline for Progression of T2WI and DWI Findings in Acute Stroke
 - In the acute phase
- DWI in brain ... #Stroke #CVA #MRI ... Progression #Timeline #Neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
nervous system: Brain ... • Infectious: Brain ... aminotransferases • Serology ... EMG) studies • MRI ... Differential #Diagnosis #neurology