20 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... with vascular causes ... • Nystagmus: ... positional episodes caused ... Hallpike test (posterior
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... unidirectonal nystagmus ... bidirectional nystagmus ... #Neurology #Differential ... Diagnosis #Algorithm #Causes
HINTS Exam - Bidirectional Nystagmus 

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

In a patient with vertigo symptoms, this finding is reassuring
Unidirectional Nystagmus ... for a PERIPHERAL cause ... of vertigo. ... Unidirectional #Nystagmus ... Video #Negative #Neurology
Primary Downbeat Nystagmus on Ocular Examination

Primary downbeat nystagmus, most evident on looking down and out .
Primary Downbeat ... Nystagmus on Ocular ... nystagmus, most ... #physicalexam #neurology ... #ophthalmology
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
Acute continuous vertigo ... due to Posterior ... /vomiting/vertigo ... /nystagmus - Vestibular ... #Wallenbergs #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... forehead) in classic posterior ... with vascular causes ... , such as with posterior ... symptoms #comparison #neurology
Characteristic eye movements found in Downbeat Nystagmus

Downbeat nystagmus (downward fast phase) is the most common of
movements found in Downbeat ... Nystagmus Downbeat ... Eye Center #Downbeat ... #Ophthalmology ... #Neurology #Clinical
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... nerve palsy Caused ... Convergence #retraction #nystagmus ... clinical #video #neurology ... #ophthalmology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... without an obvious cause ... Occlusion of posterior ... #Causes #differential ... #diagnosis #neurology