33 results
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of right posterior semicircular
This is a case ... beating to left ... ear. ... Maneuver #clinical #video ... ophthalmology #neurology
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Head Impulse Test ... Nystagmus Test ... #PhysicalExam #Testing ... Vertigo #Central #Peripheral ... #Neurology
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
Unidirectional Nystagmus ... - Left-beating ... cause of vertigo ... Video by Dr. ... #Negative #Neurology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of posterior semicircular canal
Ocular Nystagmus ... Dix Hallpike Maneuver ... This is a case ... Maneuver #clinical #video ... ophthalmology #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Characteristics of Peripheral ... vestibular neuritis • Nystagmus ... with vascular causes ... circulation TIA • Nystagmus ... symptoms #comparison #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... cause of AVS and ... with an AVS with nystagmus ... #PhysicalExam #Neurology ... #HeadImpulse #Testing
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Dizziness and Vertigo Peripheral ... with vascular causes ... • Nystagmus: ... auditory findings BPPV ... differential #diagnosis #neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central from Peripheral ... examiners nose • Nystagmus ... following a finger) • Test ... Vertigo #diagnosis #neurology ... #bppv #comparison
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver ... for BPPV Procedure ... 45° towards the test ... throughout the test ... Instructions #Diagnosis #neurology
Dix-HaIlpike Maneuver
 • Turn head to 45° and then rapidly lay patient to a supine position
The test is positive ... is rotational nystagmus ... toward the affected ear ... HaIlpike #Maneuver #neurology ... #vertigo #bppv