23 results
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 ... #neurology #radiology ... #brain
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 ... #diseases #radiology
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
MRI Brain Sequence ... T1 #T2 #FLAIR #MRI ... #Brain #Comparison ... #clinical #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
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
extensor weakness - Sign ... In detecting CT ... /MRI abnormality ... physicalexam #diagnosis #neurology
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
• Non-contrast CT ... a NCCT or • MRI ... brain w/o contrast ... Defined if 1) CT ... diagnosis #checklist #neurology
Evolution of stroke on CT and MRI. 

Day 1: NCHCT demonstrates obscure left insular cortex. No
Evolution of stroke on CT ... and MRI. ... abnormalities in the left MCA ... Progression #Timeline #Neurology ... #Radiology #Findings
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 ... Differential #Diagnosis #Radiology ... #Neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... RingEnhancing #Lesions #Brain ... diagnosis #causes #radiology ... #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 ... #Radiology #Findings