24 results
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Differentiating Central ... vs Peripheral Vertigo ... Impulse Test Nystagmus ... PhysicalExam #Testing #Vertigo ... #Central #Peripheral
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
Bidirectional Nystagmus ... symptoms, this ... worrisome for a CENTRAL ... Bidirectional #Nystagmus ... Positive #Neurology #Central
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Rotary Movement Peripheral ... vomiting, auditory symptoms ... unidirectonal nystagmus ... Bone Fracture Central ... /signs, bidirectional
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
Unidirectional Nystagmus ... symptoms, this ... reassuring for a PERIPHERAL ... Unidirectional #Nystagmus ... Negative #Neurology #Peripheral
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
and Central Vertigo ... PERIPHERAL VERTIGO ... #Central #Vertigo ... diagnosis #findings #signs ... #symptoms #comparison
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central ... from Peripheral ... Vertigo • Head ... examiners nose • Nystagmus ... #Peripheral #Vertigo
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Peripheral Vertigo ... minutes to days • Nystagmus ... may be present Central ... No auditory symptoms ... Long symptom-free
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
Latency (delay in nystagmus ... symptoms in head-hanging ... and torsional nystagmus ... and nystagmus escalates ... testing #findings #signs
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
and Central Vertigo ... PERIPHERAL VERTIGO ... CENTRAL VERTIGO ... varying neurologic signs ... #Peripheral #Central
Algorithm for the diagnostic evaluation of dizziness. (HINTS = head-impulse, nystagmus, test of skew.)
Questions regarding the
head-impulse, nystagmus ... or central in etiology ... or central TiTrATE ... of dizziness or vertigo ... Timing of the symptom