18 results
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Peripheral Vertigo ... minutes to days • Nystagmus ... auditory findings BPPV ... #diagnosis #neurology
Causes of Vertigo - Differential Diagnosis Algorithm
#Diagnosis #Neurology #Dizziness #Peripheral #Central #Algorithm #BPPV #Differential #Ddxof
Causes of Vertigo ... Algorithm #Diagnosis ... #Neurology #Dizziness ... #Peripheral #Central ... #Algorithm #BPPV
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Vertigo • Head ... examiners nose • Nystagmus ... following a finger) • Test ... #Vertigo #diagnosis ... #neurology #bppv
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Vertigo Head ... Impulse Test Nystagmus ... Test of Skew ... #Central #Peripheral ... #Neurology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
PERIPHERAL VERTIGO ... vestibular neuritis • Nystagmus ... circulation TIA • Nystagmus ... #diagnosis #findings ... symptoms #comparison #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... Algorithm True ... Rotary Movement Peripheral ... unidirectonal nystagmus ... #Diagnosis #Algorithm
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 ... Labyrinthitis #diagnosis ... #neurology #comparison
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 ... of dizziness or vertigo
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
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... PERIPHERAL VERTIGO ... (BPPV) - Short-lived ... #differential #diagnosis ... #neurology