21 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
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
MRI Brain Sequence ... Comparison: T1 ... #Brain #Comparison ... #clinical #radiology ... #diagnosis #neurology
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
brain w/o contrast ... +/- TEE (high Afib ... v Holter (r/o Afib ... stroke #workup #diagnosis ... #checklist #neurology
Algorithm for evaluating multiple ring-enhancing lesions in immunocompetent (HIV negative)

#ringenhancing #lesions #cns #brain #diagnosis #differential #algorithm
#lesions #cns #brain ... #diagnosis #differential ... #algorithm #causes ... #radiology #neurology
Stroke Etiologies
Hemorrhagic (IPH, SAH)
Ischemic
 - Large Vessel Atherosclerosis
 - Cardioembolic: Atrial fib, prosthetic valves, LV aneurysm,
Endocarditis, Acute MI ... embolism, Occult a-fib ... EricsMedicalLectures/ #Stroke #causes ... #differential # ... diagnosis #neurology
Pseudobulbar Affect
Characteristics (These episodes usually cause distress and impairment in occupational or social functioning):
 - Extreme
Lateral Sclerosis (ALS ... Strokes, Traumatic Brain ... Pseudobulbar #Affect #neurology ... #differential # ... diagnosis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... lung nodules, may also ... #differential # ... diagnosis #causes ... #radiology #neurology
Differentiating NBTE from Infective Endocarditis
No pathognomonic signs/symptoms or echo features that are specific to NBTE, and
Autoimmune (SLE/APLS ... Blood cultures/serology ... heart valves • MRI ... Blood cultures/serology ... #Endocarditis #comparison
Imaging Patterns of Toxic and Metabolic Brain Disorders

Thalami, Mammillary Bodies and Tectum: Wernicke Encephalopathy
Dentate Nuclei: Metronidazole,
and Metabolic Brain ... Pons: ODS #MRI ... Disorders #Clinical #Differential ... #Diagnosis #Radiology ... #Neurology
BEE Syndromes - Immune-mediated conditions affecting the brain, eye, and ear

Visual or auditory symptoms in conjunction
affecting the brain ... is important, as ... Inflammatory causes ... BEE #Syndromes #neurology ... #inflammatory #differential