35 results
Stroke Blood Vessel Localization and corresponding territories on MRI

by Jeremy Heit, MD, PhD @JeremyHeitMDPHD

#Stroke #CVA #Localization
territories on MRI ... JeremyHeitMDPHD #Stroke #CVA ... #Territories #MRI ... #Radiology #Arteries ... #Neurology #Artery
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... Case description ... • MRI: Posterolateral ... Trigonum #OsTrigonum #Syndrome
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
a NCCT or • MRI ... Evaluate underlying cause ... Detected on NCCT vs MRI ... Ruled out other causes ... diagnosis #checklist #neurology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - Causes ... Deep coma (any cause ... Guillain-Barré syndrome ... Hyperthyroidism, Serotonin syndrome ... diagnosis #table #neurology
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... Epidemiology: • 1-2 cases ... axonal form • MRI ... #Barre #Syndrome ... management #treatment #neurology
Myocarditis - Diagnosis and Causes
 • Clinical presentation: Pseudo-acute coronary syndrome, Cardiac failure <3 rnonths, Cardiogenic
Diagnosis and Causes ... Pseudo-acute coronary syndrome ... Recent flu-like syndrome ... diagnosis: Ischernic cause ... #cardiology #MRI
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
Guillain–Barré syndrome ... (aka: Landry–Guillain–Barré–Strohl ... syndrome:  Most ... common cause of ... cord lesion on MRI
Causes of Neuromuscular Weakness
 • Spinal Cord: Demyelinating Disease (MS), Epidural abscess, Infarction, Syringomyelia, Tetanus, Transverse
Causes of Neuromuscular ... Poliomyelitis, Guillain-Barre ... syndrome, Mononeuritis ... Lambert Eaton Syndrome ... Neuromuscular #Weakness #Causes
Etiologies of Peripheral Neuropathy
 • Metabolic / Nutritional: DiabetesB12 deficiency, Uremia/ESRD, Hypothyroidism
 • Medication-induced: ART, Antibiotics,
Inflammatory/AI: CIDP, Guillain-Barre ... Paraprotein-associated (POEMS syndrome ... differential #diagnosis #causes ... #neurology
Causes of Ischemic Stroke - Differential Diagnosis Framework
Important to determine and treat the etiology behind because
Causes of Ischemic ... thrombus, recent MI ... Antiphospholipid syndrome ... Ischemic #Stroke #CVA ... Differential #Diagnosis #causes