30 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... auditory findings BPPV ... Positive Hallpike test ... or supine roll test ... differential #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
classic posterior canal ... BPPV; horizontal ... in horizontal canal ... (BPPV); worsens ... symptoms #comparison #neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
(BPPV) From Vestibular ... only with upbeat and ... consistent with BPPV ... #BPPV #Vestibular ... Labyrinthitis #diagnosis #neurology
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
During Hallpike Test ... in Posterior Canal ... (BPPV) • Latency ... vertigo once in ... findings #signs #bppv
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
from Peripheral Vertigo ... following a finger) • Test ... Central #Peripheral #Vertigo ... #diagnosis #neurology ... #bppv #comparison
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
Normal Head Impulse Test ... normal head impulse test ... to the left and ... a patient with vertigo ... Clinical #Video #Neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
(BPPV) - Short-lived ... with significant neurologic ... and 67% had headache ... attacks with varying neurologic ... differential #diagnosis #neurology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

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

This is a case of right posterior semicircular
Nystagmus in PSC BPPV ... posterior semicircular canal ... BPPV with upbeating ... #physicalexam #ophthalmology ... #neurology #Frenzel
Dix-HaIlpike Maneuver
 • Turn head to 45° and then rapidly lay patient to a supine position
Turn head to 45° and ... The test is positive ... HaIlpike #Maneuver #neurology ... #vertigo #bppv