19 results
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 ... PhysicalExam #Testing #Vertigo ... Central #Peripheral #Neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... Varies • No neurologic ... vascular causes • Nystagmus ... or supine roll test ... differential #diagnosis #neurology
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... with a left 6th nerve ... Convergence #retraction #nystagmus ... clinical #video #neurology ... #ophthalmology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
from Peripheral Vertigo ... examiners nose • Nystagmus ... following a finger) • Test ... Central #Peripheral #Vertigo ... #diagnosis #neurology
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
Acute continuous vertigo ... Nausea/vomiting/vertigo ... /nystagmus - Vestibular ... nucleus (CN 8) ... #Wallenbergs #neurology
Peripheral and Central Causes of Vertigo
Peripheral Causes (Common):
 - Labyrinth: Benign paroxysmal positional vertigo, Méniére disease,
Central Causes of Vertigo ... - Vestibular Nerve ... Vestibulocochlear Nerve ... (CN VIII): Vestibular ... differential #diagnosis #neurology
Differentiating Benign Paroxysmal Positional Vertigo (BPPV) From Vestibular Neuritis-Labyrinthitis
BENIGN PAROXYSMAL POSITIONAL VERTIGO
 • Age: More common
Paroxysmal Positional Vertigo ... PAROXYSMAL POSITIONAL VERTIGO ... and torsional nystagmus ... reproduction of vertigo ... Labyrinthitis #diagnosis #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Ill (Oculomotor) Nerve ... (Trochlear) Nerve ... (Abducens) Nerve ... #Localization #ophthalmology ... #neurology #differential
Left Abducens Nerve Palsy (CN6) on Physical Exam

#Abducens #Nerve #Palsy #CN6 #CNVI #clinical #video #neurology #opthalmology
Left Abducens Nerve ... Palsy (CN6) on ... #Palsy #CN6 #CNVI ... clinical #video #neurology ... #opthalmology #
Left Abducens Nerve Palsy (CN6) on Physical Exam

#Abducens #Nerve #Palsy #CN6 #CNVI #clinical #video #neurology #opthalmology
Left Abducens Nerve ... Palsy (CN6) on ... #Palsy #CN6 #CNVI ... clinical #video #neurology ... #opthalmology #