13 results
HINTS Exam - Bidirectional Nystagmus 

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

In a patient with vertigo symptoms, this finding is reassuring
Unidirectional Nystagmus ... for a PERIPHERAL cause ... Video by Dr. ... Unidirectional #Nystagmus ... #Negative #Neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Diagnosis Algorithm ... unidirectonal nystagmus ... Bone Fracture Central ... bidirectional nystagmus ... #Causes
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Peripheral and Central ... Causes of Vertigo ... Peripheral Causes ... Hunt syndrome ( ... #diagnosis #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... minutes to days • Nystagmus ... may be present Central ... with vascular causes ... • Nystagmus:
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
/vomiting/vertigo ... /nystagmus - Vestibular ... Palatal myoclonus - Central ... #Wallenbergs #neurology ... #diagnosis
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... with vascular causes ... circulation TIA • Nystagmus ... #Vertigo #diagnosis ... symptoms #comparison #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
of AVS and negative ... cause of AVS. ... with an AVS with nystagmus ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
and Central Vertigo ... CENTRAL VERTIGO ... Syndrome usually ... #Vertigo #Causes ... #differential #diagnosis
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
A nystagmus in far ... the follow up video ... the hospital, diagnosed ... #ophthalmology ... #neurology