51 results
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
vs Peripheral Vertigo ... Head Impulse Test ... Nystagmus Test ... #PhysicalExam #Testing ... #Peripheral #Neurology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
- Vascular - Stroke ... Eric Strong @DrEricStrong ... - Strong Medicine ... Central #Causes #differential ... #diagnosis #neurology
Reflex Testing - Causes of Hyporeflexia and Hyperreflexia
Focal Hyporeflexia: 
 • Radiculopathy, Mononeuropathy, Polyneuropathy, Acute stroke,
Reflex Testing - ... Guillain-Barré syndrome ... Hyperreflexia #Testing ... #Causes #differential ... diagnosis #table #neurology
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
Pronator Drift Testing ... for Stroke Subtle ... test characteristics ... #Stroke #physicalexam ... #diagnosis #neurology
Differential Diagnosis of Transient Ischemic Attack and Stroke
 - TIA/stroke 
 - Seizure 
 - Hypoglycemia/hyperglycemia
Differential Diagnosis ... - TIA/stroke ... Benign paroxysmal vertigo ... Mimics #CVA #TIA #Differential ... #Diagnosis #Neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... Positive Hallpike test ... or supine roll test ... #Algorithm #differential ... #diagnosis #neurology
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
- Wallenberg's Syndrome ... Acute continuous vertigo ... Posterior Circulation Stroke ... Nausea/vomiting/vertigo ... #Wallenbergs #neurology
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
Effects of Strokes ... #Syndromes #CVA ... Localization #Effects #Neurology ... GrepMed Recommended Text ... Review in Clinical Neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Intermittent episodes lasting ... continuous and lasting ... upbeat (fast phase beating ... can be severe in stroke ... symptoms #comparison #neurology
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... Hydrocephalus → "setting ... Vascular disease (stroke ... gabifpucci #Parinauds #Syndrome ... diagnosis #pineal #neurology