16 results
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
up an ischemic CVA ... (core, penumbra ... NCCT or • MRI brain ... #stroke #workup ... diagnosis #checklist #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... lung nodules, may also ... #Brain #differential ... diagnosis #causes #radiology ... #neurology
Evolution of stroke on CT and MRI. 

Day 1: NCHCT demonstrates obscure left insular cortex. No
Evolution of stroke ... No abnormal lesion ... #Stroke #CVA #MRI ... Progression #Timeline #Neurology ... #Radiology #Findings
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
the CNS from the brain ... from the cerebral cortex ... form part of the differential ... from the cortex ... of the foot is stroked
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Contralateral motor cortex ... sensory loss Brain ... Unilateral Spinal Cord ... Lesions Above ~ ... #Hemiplegia #Neurology
Timeline for Progression of T2WI and DWI Findings in Acute Stroke
 - In the acute phase
- DWI in brain ... onset (in spinal cord ... #Stroke #CVA #MRI ... Progression #Timeline #Neurology ... #Radiology #Findings
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
papilledema • Horner ... conditions: • Stroke ... Space-occupying brain ... lesion • CNS ... Diagnosis #Algorithm #neurology
Generalized Weakness - Differential Diagnosis Framework
"l feel weak":
 • Infectious: Influenza, EBV, PNA, Bacteremia, Sepsis
 •
: CKD, ESRD • CV ... : CHF, valves, COPD ... • Neuro: UMN (stroke ... Polyneuropathy, ALS ... Diagnosis #causes #neurology
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
MRI Findings in Stroke ... it possible to differentiate ... #CVA #Clinical ... #Radiology #Interpretation ... #Findings #Neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Impairment: • Acute stroke ... of the spinal cord ... aminotransferases • Serology ... #Diagnosis #neurology