139 results
HINTS Exam - Bidirectional Nystagmus 

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

In a patient with vertigo symptoms, this finding is reassuring
Unidirectional Nystagmus ... Video by Dr. ... Unidirectional #Nystagmus ... PhysicalExam #Clinical #Video ... #Negative #Neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
unidirectonal nystagmus ... Dysfunction - Imbalance, neurologic ... symptoms/signs, ... bidirectional nystagmus ... #Neurology #Differential
Primary Downbeat Nystagmus on Ocular Examination

Primary downbeat nystagmus, most evident on looking down and out .
Primary Downbeat ... nystagmus, most ... on looking down and ... #clinical #video ... #physicalexam #neurology
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
and vertigo once ... and nystagmus escalates ... and vertigo may ... and vertigo decrease ... testing #findings #signs
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... Varies • No neurologic ... vascular causes • Nystagmus ... position change • Neurologic ... 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
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... Convergence retraction nystagmus ... retraction (Collier's sign ... → "setting sun sign ... diagnosis #pineal #neurology
Characteristic eye movements found in Downbeat Nystagmus

Downbeat nystagmus (downward fast phase) is the most common of
Nystagmus Downbeat ... and rebound nystagmus ... Video by Kathleen ... Ophthalmology #Neurology ... #Clinical #Video
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Central Vertigo ... vestibular neuritis • Nystagmus ... circulation TIA • Nystagmus ... diagnosis #findings #signs ... symptoms #comparison #neurology