11 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
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
Brain Disorders ... Heroin Inhalation Central ... Pons: ODS #MRI ... #Clinical #Differential ... #Neurology
Secondary Causes of Hypertension - Differential Diagnosis Algorithm
Hypertension - BP > 140/90 (>130/80 for DM)
Hypertensive urgency
Secondary Causes ... Hypertension - Differential ... abuse/ withdrawal Anatomic ... Unilateral RAS Metabolic ... #Nephrology #Differential
Causes of Secondary Headaches (without Red Flag Symptoms) - Differential Diagnosis Algorithm
Acute
 • Sinusitis
 • Dental
Causes of Secondary ... Sinusitis • Dental ... • Traumatic Brain ... #Headaches #Neurology ... #Differential #
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... lesions of the central ... hepatitis B and C ... 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
Hypertrophic Pachymeningitis - Differential Diagnosis Framework

Pachymeningitis is a rare condition that causes areas of a layer
condition that causes ... spinal cord and brain ... thickening can cause ... hypotension - Secondary ... Pachymeningitis #HP #Neurology
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
affecting the Brain ... attributable to central ... neuropathy (LHON) plus MRI ... BEE #Syndromes #neurology ... noninflammatory #differential
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
Causes of Status ... Epilepticus in Adults METABOLIC ... malformations Brain ... Epilepticus #Seizures #Differential ... #neurology
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 ... Drug toxicity, Metabolic ... diagnosis #management #neurology