11 results
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Illusion of Rotary Movement ... unidirectonal nystagmus ... bidirectional nystagmus ... #Vertigo #Neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Algorithm for Dizziness ... minutes to days • Nystagmus ... Varies • No neurologic ... vascular causes • Nystagmus ... intervals #Dizziness
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 ... #HINTS #Exam #PhysicalExam ... Central #Peripheral #Neurology
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
Normal Head Impulse Test ... normal head impulse test ... PeterJohns84 #Normal #HeadImpulse ... #Test #HINTS #PhysicalExam ... Clinical #Video #Neurology
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
a patient with vertigo ... #Abnormal #HeadImpulse ... #Test #HINTS #PhysicalExam ... Clinical #Video #Neurology ... #Vertigo #Peripheral
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
a patient with vertigo ... #Abnormal #HeadImpulse ... #Test #HINTS #PhysicalExam ... Clinical #Video #Neurology ... #Vertigo #Peripheral
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... with an AVS with nystagmus ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... Peripheral #Central #HeadImpulse
Algorithm for the diagnostic evaluation of dizziness. (HINTS = head-impulse, nystagmus, test of skew.)
Questions regarding the
evaluation of dizziness ... head-impulse, nystagmus ... , test of skew.) ... triggers (actions, movements ... or vertigo.
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
from Peripheral Vertigo ... examiners nose • Nystagmus ... following a finger) • Test ... TylerLarsenMD #HINTS #physicalexam ... #diagnosis #neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Paroxysmal Positional Vertigo ... occurs with certain movements ... and torsional nystagmus ... reproduction of vertigo ... Labyrinthitis #diagnosis #neurology