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

Cynthia Czawlytko, MD @drcyncity

#Differential #diagnosis #encephalopathies #encephalopathy
Differential diagnosis ... on Brain Imaging ... #imaging #patterns ... #MRI #Neurology ... pathology #diseases #radiology
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
MRI Brain Sequence ... T1 #T2 #FLAIR #MRI ... #Brain #Comparison ... #clinical #radiology ... #diagnosis #neurology
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Imaging Patterns ... Pons: ODS #MRI ... Disorders #Clinical #Differential ... #Diagnosis #Radiology ... #Neurology
Leigh Syndrome 
History: 19-month-old girl with hypotonia, developmental 
delay, failure to thrive, and bilateral optic disc
Leigh Syndrome ... various imaging patterns ... #Clinical #MRI ... #Brain #Diagnosis ... #Radiology
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Diagnosis- Compatible syndrome ... + MRI lesions + ... #differential # ... diagnosis #causes #radiology ... #neurology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... disorder (Cardiac, pulmonary ... nervous system: Brain ... changes - Common pattern ... EMG) studies • MRI
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
Edema - Differential ... ischemic changes CXR ... respiratory distress syndrome ... edema (Traumatic brain ... #diagnosis #cardiology
Posterior Reversible Encephalopathy Syndrome (PRES) Overview

Clinico-Radiological Syndrome, characterized by:
 • Headache
 • Seizures
 • Altered mental
parietal lobes of the brain ... may precede the neurologic ... Reversible course Differential ... #diagnosis #management ... #neurology
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
Syncope - Differential ... Respiratory: • Pulmonary ... Contractility: • MI ... #Syncope #Cardiology ... #Differential #
Pulmonary Embolism on ECG 

Mid 30's female with chest pain/dyspnea.  Triage EKG (no prior).
Pulmonary Embolism ... Sister had MI in ... Differential/diagnosis ... (II, III, AVF)(pattern ... Electrocardiogram #clinical #cardiology