47 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
vomiting, auditory symptoms ... unidirectonal nystagmus ... symptoms/signs, ... bidirectional nystagmus ... Glomus Tumors - Vascular
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... or minutes with vascular ... causes • Nystagmus ... No auditory symptoms ... Long symptom-free
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
Bidirectional Nystagmus ... a patient with vertigo ... symptoms, this ... Bidirectional #Nystagmus ... Video #Positive #Neurology
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
Unidirectional Nystagmus ... a patient with vertigo ... symptoms, this ... Unidirectional #Nystagmus ... Video #Negative #Neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Vascular disorders ... (Wallenberg's syndrome ... with significant neurologic ... Syndrome usually ... attacks with varying neurologic
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Central Causes of Vertigo ... Uncommon): - Vascular ... Wallenberg syndrome ... hemorrhage - Non-vascular ... differential #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... or minutes with vascular ... circulation TIA • Nystagmus ... findings #signs #symptoms ... #comparison #neurology
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
- Wallenberg's Syndrome ... Acute continuous vertigo ... Nausea/vomiting/vertigo ... /nystagmus - Vestibular ... #Wallenbergs #neurology
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... Convergence retraction nystagmus ... setting sun sign" - Vascular ... gabifpucci #Parinauds #Syndrome ... diagnosis #pineal #neurology
Vertigo Differential Diagnosis and Management Algorithm
Vertigo: Symptom of illusory movement because of asymmetry in the vestibular
Vertigo Differential ... Diagnosis and Management ... : Symptom of illusory ... #Diagnosis #Management ... #Algorithm #neurology