22 results
Stroke Etiologies
Hemorrhagic (IPH, SAH)
Ischemic
 - Large Vessel Atherosclerosis
 - Cardioembolic: Atrial fib, prosthetic valves, LV aneurysm,
Stroke Etiologies ... Endocarditis, Acute MI ... - Strong Medicine ... #causes #differential ... #diagnosis #neurology
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
Drift Testing for Stroke ... 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
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Evolution of MRI Findings in Stroke

MR images at five subsequent time points in a 67-year-old woman
Evolution of MRI ... Findings in Stroke ... it possible to differentiate ... #Evolution #MRI ... Interpretation #Findings #Neurology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Resonance Imaging (MRI ... #Contrast #CT #MRI ... #POCUS #radiology ... #differential # ... diagnosis #comparison
Causes of Facial Weakness - Differential Diagnosis Algorithm
Forehead Sparing = Central cause
  - Most commonly
Diagnosis Algorithm ... Most commonly stroke ... involved = Peripheral lesion ... #Diagnosis #Algorithm ... #Causes #neurology
Tinnitus - Subjective (heard only by patient) - 90% - Differential Diagnosis Algorithm
Unilateral On Audiogram -
patient) - 90% - Differential ... Diagnosis Algorithm ... Audiogram - Perform MRI ... hearing #subjective #Differential ... #Diagnosis #Algorithm
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
Landry–Guillain–Barré–Strohl ... Differential diagnosis ... on MRI, oligoclonal ... on MRI ... sensory level, MRI
Approach to Headaches - Differential Diagnosis Algorithm

Red flags (PHANTOMS):
 • Pattern change, progressively worse, papilledema
 •
Diagnosis Algorithm ... conditions: • Stroke ... Space-occupying brain lesion ... #Diagnosis #Algorithm ... #neurology #PHANTOMS
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... Diagnosis Framework ... Impairment: • Acute stroke ... EMG) studies • MRI ... #Diagnosis #neurology