27 results
Stroke Blood Vessel Localization and corresponding territories on MRI

by Jeremy Heit, MD, PhD @JeremyHeitMDPHD

#Stroke #CVA #Localization
Stroke Blood Vessel ... Localization and ... territories on MRI ... #CVA #Localization ... Radiology #Arteries #Neurology
Differential Diagnosis of Transient Ischemic Attack and Stroke
 - TIA/stroke 
 - Seizure 
 - Hypoglycemia/hyperglycemia
Ischemic Attack and ... Stroke - TIA/ ... Benign paroxysmal vertigo ... #Mimics #CVA #TIA ... Differential #Diagnosis #Neurology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Causes of Vertigo ... often classified as ... - Strong Medicine ... differential #diagnosis #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... with vascular causes ... position change • Neurologic ... positional episodes caused ... differential #diagnosis #neurology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... of Hyporeflexia and ... Hyperreflexia: • Delayed finding ... finding in spinal ... diagnosis #table #neurology
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
r/o hemorrhage and ... Evaluate underlying cause ... Ruled out other causes ... #stroke #workup ... diagnosis #checklist #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
None • Auditory Findings ... can be severe in stroke ... with vascular causes ... #diagnosis #findings ... symptoms #comparison #neurology
Stroke Territory Localization and Blood Vessel Supply
ACA (Anterior Cerebral Artery)
 - Leg weakness/numbness
MCA Superior Divison
 -
Stroke Territory ... Localization and ... - Basilar - Vertigo ... Territories #territory #CVA ... #localization #neurology
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
Test = Central Cause ... This patient as ... symptoms, this normal finding ... for a CENTRAL cause ... Clinical #Video #Neurology
Stroke Etiologies
Hemorrhagic (IPH, SAH)
Ischemic
 - Large Vessel Atherosclerosis
 - Cardioembolic: Atrial fib, prosthetic valves, LV aneurysm,
Stroke Etiologies ... Endocarditis, Acute MI ... Hypercoagulable states, PFO and ... #causes #differential ... #diagnosis #neurology