23 results
Causes of Vertigo - Differential Diagnosis Algorithm
#Diagnosis #Neurology #Dizziness #Peripheral #Central #Algorithm #BPPV #Differential #Ddxof
- Differential Diagnosis ... Algorithm #Diagnosis ... #Neurology #Dizziness ... #Peripheral #Central ... #Algorithm #BPPV
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Dizziness and Vertigo Peripheral ... minutes to days • Nystagmus ... auditory findings BPPV ... #differential #diagnosis
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
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Characteristics of Peripheral ... vestibular neuritis • Nystagmus ... circulation TIA • Nystagmus ... Central #Vertigo #diagnosis ... symptoms #comparison #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... a stand-alone test ... with an AVS with nystagmus ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
- Central and Peripheral ... - Differential Diagnosis ... Acoustic Neuroma • BPPV ... #Differential #Diagnosis ... #algorithm
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Positional Vertigo (BPPV ... and torsional nystagmus ... consistent with BPPV ... Labyrinthitis #diagnosis ... #neurology #comparison
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... Algorithm True ... Rotary Movement Peripheral ... unidirectonal nystagmus ... #Algorithm #Causes
Dix-Hallpike Maneuver for BPPV

Procedure:
1. Make the patient sit on examination table, such that the shoulders would
Dix-Hallpike Maneuver for BPPV ... 45° towards the test ... throughout the test ... #Instructions #Diagnosis ... #neurology
Algorithm for the diagnostic evaluation of dizziness. (HINTS = head-impulse, nystagmus, test of skew.)
Questions regarding the
head-impulse, nystagmus ... , test of skew.) ... more likely to be peripheral ... A diagnostic algorithm ... the etiology is peripheral