42 results
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Differentiating Central ... Head Impulse Test ... Nystagmus Test ... #HINTS #Exam #PhysicalExam ... #Neurology
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
Bidirectional Nystagmus ... worrisome for a CENTRAL ... #HINTS #PhysicalExam ... Video #Positive #Neurology ... #Central #Vertigo
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central ... examiners nose • Nystagmus ... following a finger) • Test ... TylerLarsenMD #HINTS #physicalexam ... #neurology #bppv
HINTS Exam - Abnormal Test of Skew (Abnormal Vertical Skew)

In a patient with vertigo symptoms, this
Exam - Abnormal Test ... worrisome for a CENTRAL ... #HINTS #PhysicalExam ... Clinical #Video #Neurology ... #Vertigo #Central
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
= Central Cause ... to the left and ... #HINTS #PhysicalExam ... Clinical #Video #Neurology ... #Vertigo #Central
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... Varies • No neurologic ... may be present Central ... vascular causes • Nystagmus ... differential #diagnosis #neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
torsional nystagmus ... and reproduction ... ) • Epley maneuver ... seen) • Epley maneuver ... Labyrinthitis #diagnosis #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
unidirectonal nystagmus ... Bone Fracture Central ... Dysfunction - Imbalance, neurologic ... bidirectional nystagmus ... #Neurology #Differential
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... peripheral cause of AVS and ... with an AVS with nystagmus ... #Diagnosis #PhysicalExam ... #Neurology #AVS
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Central Vertigo ... vestibular neuritis • Nystagmus ... labyrinthitis) CENTRAL ... circulation TIA • Nystagmus ... symptoms #comparison #neurology