59 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... with vascular causes ... • Nystagmus: ... auditory findings BPPV ... differential #diagnosis #neurology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of posterior semicircular canal
Ocular Nystagmus ... Maneuver This is a case ... sudhir_kothari #Ocular ... #Nystagmus #BPPV ... ophthalmology #neurology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of right posterior semicircular
Ocular Nystagmus ... Maneuver This is a case ... sudhir_kothari #Ocular ... #Nystagmus #BPPV ... ophthalmology #neurology
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... nerve palsy Caused ... Convergence #retraction #nystagmus ... #ocular #physicalexam ... clinical #video #neurology
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
Bidirectional Nystagmus ... for a CENTRAL cause ... Bidirectional #Nystagmus ... Clinical #Video #Positive ... #Neurology #Central
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... with vascular causes ... circulation TIA • Nystagmus ... nose) • Head Position ... symptoms #comparison #neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Positional Vertigo (BPPV ... Hallpike test: Positive ... and torsional nystagmus ... consistent with BPPV ... Labyrinthitis #diagnosis #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
HIT) result is positive ... with a peripheral cause ... with a central cause ... with an AVS with nystagmus ... #PhysicalExam #Neurology
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver for BPPV ... to the upright position ... Nystagmus 2. ... DixHallpike #Maneuver #BPPV ... Instructions #Diagnosis #neurology
Dix-HaIlpike Maneuver
 • Turn head to 45° and then rapidly lay patient to a supine position
patient to a supine position ... The test is positive ... is rotational nystagmus ... HaIlpike #Maneuver #neurology ... #vertigo #bppv