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HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
Abnormal Head Impulse ... 1) Normal Head Impulse ... Abnormal Head Impulse ... Clinical #Video #Neurology
HINTS Exam - Abnormal Head Impulse Test = Peripheral Cause

This video demonstrates:
1) Normal Head Impulse Test
Abnormal Head Impulse ... 1) Normal Head Impulse ... Abnormal Head Impulse ... Clinical #Video #Neurology
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Vertigo Head Impulse ... Central #Peripheral #Neurology
HINTS Exam - Normal Head Impulse Test = Central Cause

This patient as a normal head impulse
- Normal Head Impulse ... a normal head impulse ... Clinical #Video #Neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
symptoms • Head impulse ... administer head impulse ... ) • Head impulse ... Labyrinthitis #diagnosis #neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Vertigo • Head Impulse ... Vertigo #diagnosis #neurology
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse ... #PhysicalExam #Neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Varies • No neurologic ... position change • Neurologic ... Positive head impulse ... differential #diagnosis #neurology
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
nerve receives impulses ... #physicalexam #neurology
Cardiac conducting system 
 - Sinoatrial (SA) node normally generates the action potential, i.e. the electrical
the electrical impulse ... - The impulse ... the AV node, the impulse ... of electrical impulses