14 results
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... HIT) result is positive ... with nystagmus. ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... may be present Central ... vascular causes • Nystagmus ... auditory findings BPPV ... test (posterior
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
vs Peripheral Vertigo ... Head Impulse Test ... Nystagmus Test ... #HINTS #Exam #PhysicalExam ... #Peripheral #Neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
examiners nose • Nystagmus ... following a finger) • Test ... TylerLarsenMD #HINTS #physicalexam ... Vertigo #diagnosis #neurology ... #bppv #comparison
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central ... vestibular neuritis • Nystagmus ... vascular causes, such as ... circulation TIA • Nystagmus ... symptoms #comparison #neurology
Characteristic eye movements found in Downbeat Nystagmus

Downbeat nystagmus (downward fast phase) is the most common of
Nystagmus Downbeat ... common of the central ... #Ophthalmology ... #Neurology #Clinical ... Video #Ocular #PhysicalExam
Dix-Hallpike Maneuver for the Diagnosis of BPPV (Animated)

The Dix–Hallpike test (Nylen Barany test) is a diagnostic
the Diagnosis of BPPV ... patient in supine position ... But a downbeat nystagmus ... #neurology #Animated ... #PhysicalExam
Dix-Hallpike Maneuver for the Diagnosis of BPPV
The Dix–Hallpike test (Nylen Barany test) is a diagnostic maneuver
the Diagnosis of BPPV ... (Nylen Barany test ... patient in supine position ... But a downbeat nystagmus ... #neurology #PhysicalExam
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver for BPPV ... 45° towards the test ... throughout the test ... DixHallpike #Maneuver #BPPV ... Instructions #Diagnosis #neurology
Characteristic eye movements found in spasmus nutans

Spasmus nutans is an acquired form of nystagmus that occurs
Spasmus nutans ... It presents as a ... #Nystagmus #Ophthalmology ... #Neurology #Clinical ... Video #Ocular #PhysicalExam