19 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
unidirectonal nystagmus ... Benign Paroxysmal Positional ... Dysfunction - Imbalance, neurologic ... bidirectional nystagmus ... #Neurology #Differential
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... with vascular causes ... • Nystagmus: ... episodes caused ... differential #diagnosis #neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
from Peripheral Vertigo ... examiners nose • Nystagmus ... #diagnosis #neurology ... #bppv #comparison ... #table
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... with vascular causes ... circulation TIA • Nystagmus ... signs #symptoms #comparison ... #neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
torsional nystagmus ... patient with a clinical ... patient with a clinical ... Labyrinthitis #diagnosis #neurology ... #comparison
Dix-HaIlpike Maneuver
 • Turn head to 45° and then rapidly lay patient to a supine position
patient to a supine position ... 20° over end of table ... is rotational nystagmus ... HaIlpike #Maneuver #neurology ... #vertigo #bppv
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver ... on examination table ... on the edge of table ... head with your hands ... Instructions #Diagnosis #neurology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

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

This is a case of right posterior semicircular
Ocular Nystagmus ... PSC BPPV after Dix ... Maneuver This is a case ... Hallpike #Maneuver #clinical ... ophthalmology #neurology
Semont Liberatory Maneuver for Treatment of BPPV
1) The patient is seated upright on the side of
the examination table ... patient's head and ... Allow any nystagmus ... #vertigo #neurology ... #instructions #clinical