21 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 #Differential
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... for Dizziness and ... Vertigo Peripheral ... minutes to days • Nystagmus ... auditory findings BPPV
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Differential Diagnosis Algorithm ... Rotary Movement Peripheral ... unidirectonal nystagmus ... #Vertigo #Neurology
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 #comparison
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Differentiating Central vs Peripheral ... Head Impulse Test ... Nystagmus Test ... Vertigo #Central #Peripheral ... #Neurology
Algorithm for the diagnostic evaluation of dizziness. (HINTS = head-impulse, nystagmus, test of skew.)
Questions regarding the
Algorithm for the ... head-impulse, nystagmus ... , test of skew.) ... more likely to be peripheral ... the etiology is peripheral
Dizziness - Central and Peripheral Causes - Differential Diagnosis
Central Causes:
 • Cerebrovascular:  vertebrobasilar, TIA, Wallenburg,
Dizziness - Central ... and Peripheral ... Acoustic Neuroma • BPPV ... @AmyChung #Dizziness ... Differential #Diagnosis #algorithm
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Characteristics of Peripheral ... Central Vertigo PERIPHERAL ... vestibular neuritis • Nystagmus ... circulation TIA • Nystagmus ... symptoms #comparison #neurology
Causes of Dizziness / Lightheadedness - Differential Diagnosis Algorithm
Lightheaded, unsteady, disoriented - Non-vertigo
Organic Disease
 • Presyncope/Vasodepressor
Causes of Dizziness ... Differential Diagnosis Algorithm ... • Anemia • Peripheral ... Lightheadedness #Neurology ... Differential #Diagnosis #Algorithm
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... patients with a peripheral ... a stand-alone test ... with an AVS with nystagmus ... #PhysicalExam #Neurology