75 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
Causes of Vertigo - Differential Diagnosis Algorithm
#Diagnosis #Neurology #Dizziness #Peripheral #Central #Algorithm #BPPV #Differential #Ddxof
Causes of Vertigo ... Algorithm #Diagnosis #Neurology ... Central #Algorithm #BPPV
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 ... Animation by Dr ... Central #Peripheral #Neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
examiners nose • Nystagmus ... following a finger) • Test ... uncover each eye Dr ... #diagnosis #neurology ... #bppv #comparison
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
Bidirectional Nystagmus ... for a CENTRAL cause ... Video by Dr. ... Bidirectional #Nystagmus ... Video #Positive #Neurology
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
Unidirectional Nystagmus ... for a PERIPHERAL cause ... Video by Dr. ... Unidirectional #Nystagmus ... Video #Negative #Neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... unidirectonal nystagmus ... Dysfunction - Imbalance, neurologic ... bidirectional nystagmus ... #Neurology #Differential
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
(BPPV) From Vestibular ... and torsional nystagmus ... consistent with BPPV ... #BPPV #Vestibular ... Labyrinthitis #diagnosis #neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... (BPPV); worsens ... with vascular causes ... circulation TIA • Nystagmus ... symptoms #comparison #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 ... Dr Sudhir Kothari ... #Nystagmus #BPPV ... ophthalmology #neurology