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The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
The HINTS Exam - ... Differentiating Central ... vs Peripheral Vertigo ... Impulse Test Nystagmus ... JayLin3455 #HINTS
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
HINTS Exam - Distinguishing ... Central from Peripheral ... examiners nose • Nystagmus ... TylerLarsenMD #HINTS ... #diagnosis #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
patients with a peripheral ... patients with a central ... with an AVS with nystagmus ... #Diagnosis #PhysicalExam ... #Testing #HIT #HINTS
Algorithm for the diagnostic evaluation of dizziness. (HINTS = head-impulse, nystagmus, test of skew.)
Questions regarding the
(HINTS = head-impulse ... , nystagmus, test ... more likely to be peripheral ... or central in etiology ... or central TiTrATE
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 ... may be present Central ... Positive Hallpike
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
and Central Vertigo ... PERIPHERAL VERTIGO ... vestibular neuritis • Nystagmus ... circulation TIA • Nystagmus ... #diagnosis #findings
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... Rotary Movement Peripheral ... unidirectonal nystagmus ... Bone Fracture Central ... bidirectional nystagmus
Diagnostic algorithm for differentiating vestibular neuritis from stroke in patients with AVS. This sequence of testing
Diagnostic algorithm ... if the cause is peripheral ... CNS, Central nervous ... Impulse Test, Nystagmus ... #Diagnosis #AVS