292 results
Seesaw Nystagmus on Physical Exam

Ocular examination revealed rhythmic, torsional, and vertical movement in which the eye
Seesaw Nystagmus ... finding known as seesaw ... nystagmus. ... #Seesaw #Nystagmus
Seesaw Nystagmus 

Sawtooth or seesaw nystagmus is an unusual but characteristic type of nystagmus. Typically there
Seesaw Nystagmus ... Sawtooth or seesaw ... nystagmus is an ... We have varied causes ... neurologiabr #seesaw
Seesaw nystagmus 
-> eye move in an opposed vertical fashion (one goes up while the other
Seesaw nystagmus ... or jerk (semi seesaw ... Seesaw nystagmus ... commonly parasellar masses ... #nystagmus #ophthalmology
HINTS Exam - Bidirectional Nystagmus 

In a patient with vertigo symptoms, this finding is worrisome for
Bidirectional Nystagmus ... worrisome for a CENTRAL ... cause of vertigo ... Bidirectional #Nystagmus ... Positive #Neurology #Central
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... unidirectonal nystagmus ... Bone Fracture Central ... bidirectional nystagmus ... Diagnosis #Algorithm #Causes
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
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
with a peripheral cause ... patients with a central ... cause of AVS. ... with an AVS with nystagmus ... CVA #Peripheral #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 ... with vascular causes ... • Nystagmus: ... positional episodes caused
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
Peripheral and Central ... vestibular neuritis • Nystagmus ... labyrinthitis) CENTRAL ... with vascular causes ... circulation TIA • Nystagmus
HINTS Exam - Unidirectional Nystagmus - Left-beating

In a patient with vertigo symptoms, this finding is reassuring
Unidirectional Nystagmus ... for a PERIPHERAL cause ... Unidirectional #Nystagmus