34 results
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 ... #Diagnosis #PhysicalExam ... #Neurology #AVS
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 ... #Peripheral #Neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
following a finger) • Test ... #Central #Peripheral ... #Vertigo #diagnosis ... #neurology #bppv ... #comparison #table
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
= Central Cause ... This patient as ... patient with vertigo symptoms ... #HINTS #PhysicalExam ... Clinical #Video #Neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... Dizziness and Vertigo Peripheral ... may be present Central ... No auditory symptoms ... Long symptom-free
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
- Differential Diagnosis ... Rotary Movement Peripheral ... vomiting, auditory symptoms ... Bone Fracture Central ... symptoms/signs,
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
and Central Vertigo ... vascular causes, such as ... #diagnosis #findings ... #signs #symptoms ... #comparison #neurology
Causes of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
1. Benign paroxysmal positional vertigo (BPPV) - Short-lived (typically less
Causes of Peripheral ... and Central Vertigo ... signs or symptoms ... #Peripheral #Central ... #differential #diagnosis
Effects of Strokes by Location - Anterior vs Posterior Localization

Anterior Circulation 
 - MCA 
 -
Location - Anterior vs ... CVA #Territory #Symptoms ... #Signs #Localization ... #Diagnosis #Table ... GrepMed Recommended Text
Algorithm for the diagnostic evaluation of dizziness. (HINTS = head-impulse, nystagmus, test of skew.)
Questions regarding the
head-impulse, nystagmus, test ... the dizziness as ... or central in etiology ... or central TiTrATE ... Timing of the symptom