120 results
Argyll Robertson Pupil
Definition:
 - Irregular and small (1-2mm) pupil
 - Light-near dissociation (accommodation remains intact)
 -
- Light-near dissociation ... and classical association ... Robertson #Pupil #neurology ... #diagnosis #ophthalmology
Stroke Blood Vessel Localization and corresponding territories on MRI

by Jeremy Heit, MD, PhD @JeremyHeitMDPHD

#Stroke #CVA #Localization
JeremyHeitMDPHD #Stroke #CVA ... Territories #MRI #Radiology ... #Arteries #Neurology
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Atrioventricular dissociation ... it indicates AV dissociation ... activation from SVT (e.g ... Cannon #AWaves #diagnosis ... #cardiology #CVP
Progression of Imaging Findings in Acute Stroke - Timeline
Onset → Hours → Days → Weeks →
CBarreraMD #CVA ... Stroke #Timeline #diagnosis ... #Progression #radiology ... #neurology
Causes of Stroke - Ischemic, Hemorrhagic, Subarachnoid - Differential Diagnosis Algorithm
 • Ischemic
 • Intracerebral Hemorrhage
- Differential Diagnosis ... Hemorrhage #Stroke #CVA ... #Neurology #Differential ... #Diagnosis #Algorithm
Brain Vascular Perfusion and Infarct Territories 

By Dr. Eelco FM Wijdicks @EWijdicks

#Brain #Vascular #Perfusion #Infarct #Territories
#Localization #diagnosis ... #neurology #CVA
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
Strokes #Syndromes #CVA ... Localization #Effects #Neurology ... #Diagnosis #Table ... Review in Clinical Neurology
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
Cardioembolic: • ECG ... MRI-confirmed non-lacunar CVA ... #ischemic #CVA ... stroke #workup #diagnosis ... #checklist #neurology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
• Light-near dissociaton ... females Differential Diagnosis ... no light-near dissociation ... #PhysicalExam #neurology
BEHIND - Stroke Mimics Mnemonic
Brain: Mass, Hemorrhage, Contusion
Epilepsy: Post Ictal State, 
Hyponatremia, Hypogycemia
Intoxication, Infection
Neuro: Migraine, Multiple
Mimics #Mnemonic #CVA ... #Neurology #Diagnosis