27 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
unidirectonal nystagmus ... Dysfunction - Imbalance, neurologic ... bidirectional nystagmus ... Glomus Tumors - Vascular ... #Neurology #Differential
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... Varies • No neurologic ... or minutes with vascular ... causes • Nystagmus ... position change • 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
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
One & a half syndrome with upbeat nystagmus due to a left pontine + bimedullary infarction

Dr.
One & a half syndrome ... with upbeat nystagmus ... OneAndAHalf #One #Half ... clinical #video #ophthalmology ... #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
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
PERIPHERAL VERTIGO ... vestibular neuritis • Nystagmus ... or minutes with vascular ... circulation TIA • Nystagmus ... symptoms #comparison #neurology
All About Horner's Syndrome

Horner's syndrome, known as 
"oculosympathetic paresis" by people 
who don't have friends, is
didn't sweat on half ... referred to as "The Half ... accepted into Half ... #Overview #Ophthalmology ... #Diagnosis #Neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... Convergence retraction nystagmus ... setting sun" sign • Vascular ... neudrawlogy #Parinauds #syndrome ... #neurology #diagnosis
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