123 results
Stroke Blood Vessel Localization and corresponding territories on MRI

by Jeremy Heit, MD, PhD @JeremyHeitMDPHD

#Stroke #CVA #Localization
territories on MRI ... JeremyHeitMDPHD #Stroke #CVA ... #Territories #MRI ... Radiology #Arteries #Neurology
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
Evolution of MRI ... it possible to differentiate ... #Evolution #MRI ... Progression #Stroke #CVA ... Interpretation #Findings #Neurology
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
Upper motor neuron lesion ... In detecting CT/MRI ... physicalexam #diagnosis #neurology ... #cva
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Compatible syndrome + MRI ... lesions + toxo ... #Brain #differential ... causes #radiology #neurology
Differential Diagnosis of Transient Ischemic Attack and Stroke
 - TIA/stroke 
 - Seizure 
 - Hypoglycemia/hyperglycemia
Differential Diagnosis ... migraine - Mass lesion ... Stroke #Mimics #CVA ... #TIA #Differential ... #Diagnosis #Neurology
Clinical features of focal cortical brain lesions in a right-handed individual

Frontal, either:  
Intellectual impairment, 
Personality
cortical brain lesions ... or neglect, Agraphaesthesia ... Cortex #Cortical #Lesion ... Signs #Diagnosis #Neurology
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
up an ischemic CVA ... a NCCT or • MRI ... Detected on NCCT vs MRI ... Defined if 1) CT/MRI-confirmed ... diagnosis #checklist #neurology
Evolution of stroke on CT and MRI. 

Day 1: NCHCT demonstrates obscure left insular cortex. No
stroke on CT and MRI ... No abnormal lesion ... on T2-weighted MRI ... #Stroke #CVA #MRI ... Progression #Timeline #Neurology
CNS Ring-Enhancing Lesions - Differential Diagnosis
 • Infections: Cerebral abscess (bacterial, fungal, parasitic), Neurocysticercosis, Tuberculoma, Cerebral
Ring-Enhancing Lesions ... - Differential ... usually multiple lesions ... #Differential # ... Diagnosis #neurology
Stroke Evaluation and Management Algorithm

Clinical suspicion of stroke (BE FAST)
 • Balance loss
 • Eyes: vision
loss • Eyes: vision ... Algorithm #diagnosis #differential ... #neurology #CVA