10 results
Differential diagnosis for toxic/metabolic encephalopathies - Patterns on Brain Imaging

Cynthia Czawlytko, MD @drcyncity

#Differential #diagnosis #encephalopathies #encephalopathy
Differential diagnosis ... - Patterns on Brain ... imaging #patterns #MRI ... #Neurology #pathology ... #diseases #radiology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
and Cingulate Cortex ... Pons: ODS #MRI ... #Differential # ... Diagnosis #Radiology ... #Neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Diagnosis Framework ... Lack of UMN/LMN signs ... aminotransferases • Serology ... EMG) studies • MRI ... #Diagnosis #neurology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... RingEnhancing #Lesions #Brain ... #differential # ... diagnosis #causes ... #radiology #neurology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
Diagnosis Framework ... hypothalamus, and visual cortex ... : • Traumatic brain ... meningeal irritation signs ... #Neurology
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
• Bilateral signs ... ruled out • Brain ... brain and/or optic ... #management #neurology ... #differential
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
an autoimmune disorder ... life-threatening Differential ... Myotonic dystrophy - Brain ... - Peek sign ... #management #neurology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
of UMN and LMN signs ... EMG: LMN Signs in ... MRI: Brain, cervical ... conditions listed in differential ... Lateral #Sclerosis #neurology
Evaluation of Recurrent Falls

Core Concept:
Maintaining an upright posture requires the integrated function of multiple systems.
Disruption in
Oxygenation of the Brain ... positive Romberg sign ... Recurrent #Falls #Diagnosis ... #Differential # ... Evaluation #Geriatrics #Neurology
Headaches Overview - Primary vs Secondary Headaches

What’s the Core Difference?
 • Primary headache = headache is
What’s the Core ... the mnemonic "Mi-T-C ... stiffness) • Brain ... Secondary #Comparison #Neurology ... #Diagnosis