18 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 ... #HINTS #Exam #PhysicalExam ... #Central #Peripheral
HINTS Exam - Bidirectional Nystagmus 

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

In a patient with vertigo symptoms, this finding is reassuring
Unidirectional Nystagmus ... reassuring for a PERIPHERAL ... Unidirectional #Nystagmus ... #HINTS #PhysicalExam ... Negative #Neurology #Peripheral
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
from Peripheral ... Vertigo • Head ... examiners nose • Nystagmus ... TylerLarsenMD #HINTS #physicalexam ... #Central #Peripheral
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
and Central Vertigo ... PERIPHERAL VERTIGO ... vestibular neuritis • Nystagmus ... circulation TIA • Nystagmus ... #Central #Vertigo
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
of Dizziness - Vertigo ... Rotary Movement Peripheral ... unidirectonal nystagmus ... Bone Fracture Central ... bidirectional nystagmus
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Dizziness and Vertigo ... Peripheral Vertigo ... minutes to days • Nystagmus ... may be present Central ... vascular causes • Nystagmus
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
patients with a peripheral ... patients with a central ... with an AVS with nystagmus ... #Diagnosis #PhysicalExam ... #Central #HeadImpulse
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 ... Can occur with neck ... #Peripheral #Central
Algorithm for the diagnostic evaluation of dizziness. (HINTS = head-impulse, nystagmus, test of skew.)
Questions regarding the
head-impulse, nystagmus ... more likely to be peripheral ... or central in etiology ... or central TiTrATE ... of dizziness or vertigo