912 results
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
Bidirectional Nystagmus ... worrisome for a CENTRAL ... Bidirectional #Nystagmus ... Positive #Neurology #Central
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Differentiating Central ... Impulse Test Nystagmus ... Testing #Vertigo #Central
Characteristic eye movements found in Downbeat Nystagmus

Downbeat nystagmus (downward fast phase) is the most common of
found in Downbeat Nystagmus ... Downbeat nystagmus ... common of the central ... vestibular nystagmuses ... Its jerk nystagmus
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
Distinguishing Central ... examiners nose • Nystagmus ... #physicalexam #Central
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
patients with a central ... with an AVS with nystagmus ... CVA #Peripheral #Central
Vertical Nystagmus on Slit Lamp Ocular Examination

Often an indicator of a central lesion. This patient was
Vertical Nystagmus ... indicator of a central ... #Vertical #Nystagmus
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
unidirectonal nystagmus ... Bone Fracture Central ... bidirectional nystagmus
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central ... vestibular neuritis • Nystagmus ... labyrinthitis) CENTRAL ... circulation TIA • Nystagmus ... #Peripheral #Central
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
vomiting/vertigo/nystagmus ... Palatal myoclonus - Central
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... may be present Central ... vascular causes • Nystagmus