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

Cynthia Czawlytko, MD @drcyncity

#Differential #diagnosis #encephalopathies #encephalopathy
Differential diagnosis ... for toxic/metabolic ... imaging #patterns #MRI ... #Neurology #pathology ... #diseases #radiology
Causes of Altered Level of Consciousness GCS < 7 - Differential Diagnosis Algorithm

Brain Involvement - Hemispheric
Causes of Altered ... Consciousness GCS < 7 - Differential ... stem Lesion Brain ... Dioxide Narcosis • Metabolic ... Acidosis • Hypernatremia
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Ring-Enhancing Lesions ... Compatible syndrome + MRI ... #Brain #differential ... #diagnosis #causes ... #radiology #neurology
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... - Differential ... Neurocysticercosis, PML • Metabolic ... Hyperglycemia, Hyponatremia ... #neurology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
(Many causes!) ... * (most common cause ... encephalitis) • Brain ... lesions (e.g. stroke ... #differential
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
ring-enhancing lesions ... #cns #brain #diagnosis ... #differential # ... algorithm #causes ... #radiology #neurology
Imaging Patterns of Toxic and Metabolic Brain Disorders

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

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... nervous system: Brain ... • Infectious: Brain ... Radiation • Metabolic ... EMG) studies • MRI
Common MRI Sequences - Basic MRI Brain Interpretation

 • T1 Sequence - T1 is for anatomy.
Common MRI Sequences ... - Basic MRI Brain ... - Diffusion is primarily ... in many other lesions ... #Sequences #Radiology
Causes of Status Epilepticus in Adults
METABOLIC DISTURBANCES
Hepatic encephalopathy
Hypocalcemia
Hypoglycemia or hyperglycemia
Hyponatremia
Uremia
INFECTIOUS PROCESSES
Central nervous system abscess
Encephalitis
Meningitis
WITHDRAWAL SYNDROMES
Alcohol
Antiepileptic drugs
Baclofen
Barbiturates
Benzodiazepines
CENTRAL
Epilepticus in Adults METABOLIC ... hyperglycemia Hyponatremia ... NERVOUS SYSTEM LESIONS ... malformations Brain ... Epilepticus #Seizures #Differential