51 results
Stroke Blood Vessel Localization and corresponding territories on MRI

by Jeremy Heit, MD, PhD @JeremyHeitMDPHD

#Stroke #CVA #Localization
Stroke Blood Vessel ... territories on MRI ... #CVA #Localization ... #Radiology #Arteries ... #Neurology #Artery
Causes of Stroke - Ischemic, Hemorrhagic, Subarachnoid - Differential Diagnosis Algorithm
 • Ischemic
 • Intracerebral Hemorrhage
Causes of Stroke ... Hemorrhage #Stroke ... #CVA #Neurology ... Diagnosis #Algorithm #Causes
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
a NCCT or • MRI ... Evaluate underlying cause ... Ruled out other causes ... #stroke #workup ... diagnosis #checklist #neurology
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
Effects of Strokes ... Circulation - MCA ... Basilar Artery #Strokes ... #Syndromes #CVA ... Review in Clinical Neurology
Evolution of stroke on CT and MRI. 

Day 1: NCHCT demonstrates obscure left insular cortex. No
Evolution of stroke ... abnormalities in the left MCA ... #Stroke #CVA #MRI ... Progression #Timeline #Neurology ... #Radiology #Findings
Progression of Imaging Findings in Acute Stroke - Timeline
Onset → Hours → Days → Weeks →
Findings in Acute Stroke ... CBarreraMD #CVA ... #Imaging #Stroke ... #Progression #radiology ... #neurology
Stroke Territory Localization and Blood Vessel Supply
ACA (Anterior Cerebral Artery)
 - Leg weakness/numbness
MCA Superior Divison
 -
Stroke Territory ... arm weak/numb MCA ... BloodVessel #Supply #Stroke ... Territories #territory #CVA ... #localization #neurology
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
Drift Testing for Stroke ... In detecting CT/MRI ... Drift #Testing #Stroke ... physicalexam #diagnosis #neurology ... #cva
Restarting Anticoagulation after TIA or Acute Ischemic Stroke

 • TIA → Consider (re-) starting a NOAC
Acute Ischemic Stroke ... ≥ 1 day after stroke ... by brain CT or MRI ... by brain CT or MRI ... #CVA #neurology
Stroke Etiologies
Hemorrhagic (IPH, SAH)
Ischemic
 - Large Vessel Atherosclerosis
 - Cardioembolic: Atrial fib, prosthetic valves, LV aneurysm,
Stroke Etiologies ... Endocarditis, Acute MI ... - Strong Medicine ... #causes #differential ... #diagnosis #neurology