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

Cynthia Czawlytko, MD @drcyncity

#Differential #diagnosis #encephalopathies #encephalopathy
Differential diagnosis ... - Patterns on Brain ... encephalopathy #Brain ... patterns #MRI #Neurology ... pathology #diseases #radiology
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
Causes of Seizures - Differential Diagnosis Algorithm
Unprovoked - Epilepsy:
 • Focal: Simple, Complex
 • Generalized: Absence,
Causes of Seizures ... - Differential Diagnosis ... Encephalitis, Brain ... #Algorithm #Causes ... #neurology
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
MRI Brain Sequence ... T2 #FLAIR #MRI #Brain ... Comparison #clinical #radiology ... #diagnosis #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
6mm); • Light-near ... females Differential Diagnosis ... dissociation • Other causes ... #PhysicalExam #neurology ... #ophthalmology
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
pupil - Light-near ... Robertson #Pupil #neurology ... #diagnosis #ophthalmology
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
(Many causes!) ... * (most common cause ... encephalitis) • Brain ... Wonderland #Syndrome #diagnosis ... #neurology #differential
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
- Differential Diagnosis ... nerve) Palsy: • Brain ... no neurological cause ... #differential #diagnosis ... #neurology
Pseudobulbar Affect
Characteristics (These episodes usually cause distress and impairment in occupational or social functioning):
 - Extreme
episodes usually cause ... Sclerosis (ALS) (*main cause ... Strokes, Traumatic Brain ... Pseudobulbar #Affect #neurology ... #differential #diagnosis
Gerstmann Syndrome
1) Finger agnosia - Inability to name their own fingers, affecting both sides
2) Right-left confusion
able to copy Causes ... : Stroke (main cause ... ), Traumatic Brain ... Gerstmann #Syndrome #neurology ... #diagnosis