19 results
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
and Metabolic Brain ... and Cingulate Cortex ... Pons: ODS #MRI ... #Differential #Diagnosis ... #Radiology #Neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
perceptions with changes ... encephalitis) • Brain ... • Psychiatric disorders ... Wonderland #Syndrome #diagnosis ... #neurology #differential
Causes of Hemiplegia - Differential Diagnosis Algorithm
Cerebral Hemisphere (Contralateral motor cortex)
 • Aphasia
 • Apraxia
 •
Causes of Hemiplegia ... Contralateral motor cortex ... • Personality Changes ... sensory loss Brain ... #Hemiplegia #Neurology
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
ischemic CVA (core ... brain w/o contrast ... Other: • CBC, coags ... stroke #workup #diagnosis ... #checklist #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Lack of UMN/LMN signs ... Lack of sensory changes ... aminotransferases • Serology ... EMG) studies • MRI ... #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Chorioretinitis • Diagnosis ... Compatible syndrome + MRI ... RingEnhancing #Lesions #Brain ... #causes #radiology ... #neurology
Generalized Seizures and Pseudoseizures
Generalized seizures "are conceptualized as originating as some point within, and rapidly engaging,
include the entire cortex ... general seizure caused ... and metabolic causes ... Classification #Diagnosis ... #Neurology #Signs
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
pathognomonic signs ... Blood cultures/serology ... heart valves • MRI ... brain for cerebral ... Blood cultures/serology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
• Bilateral signs ... • Infectious causes ... ruled out • Brain ... brain and/or optic ... #management #neurology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
- Differential Diagnosis ... hypothalamus, and visual cortex ... : • Traumatic brain ... meningeal irritation signs ... ophthalmology #Neurology