19 results
Primary Downbeat Nystagmus on Ocular Examination

Primary downbeat nystagmus, most evident on looking down and out .
Primary Downbeat ... Nystagmus on Ocular ... nystagmus, most ... @bobvarkey #Downbeat ... #Nystagmus #Ocular
Downbeat nystagmus induced by carbamazepine

Gary Álvarez.•. @garinho29

#nystagmus #Downbeat #vertical #carbamazepine #Eye #ocular #PhysicalExam #Clinical #Video
Downbeat nystagmus ... @garinho29 #nystagmus ... #Downbeat #vertical
Characteristic eye movements found in Downbeat Nystagmus

Downbeat nystagmus (downward fast phase) is the most common of
movements found in Downbeat ... Nystagmus Downbeat ... nystagmus (downward ... Its jerk nystagmus ... Eye Center #Downbeat
Dix-Hallpike Maneuver for the Diagnosis of BPPV (Animated)

The Dix–Hallpike test (Nylen Barany test) is a diagnostic
Diagnosis of BPPV (Animated ... short latency, nystagmus ... Nystagmus has two ... But a downbeat nystagmus ... BPPV #neurology #Animated
Classic Findings During Hallpike Test in Posterior Canal Benign Paroxysmal Positional Vertigo (BPPV)
 • Latency (delay
Latency (delay in nystagmus ... and torsional nystagmus ... • Vertigo and nystagmus ... 30 seconds • Nystagmus ... testing #findings #signs
Clinical Manifestations of Serotonin Syndrome
 • Ophthalmologic: Mydriasis, Ocular clonus (slow horizontal movements)
 • Gastrointestinal: Diarrhea,
Cardiovascular and vital sign ... Mental Status (agitated ... Symptoms #spectrum #signs
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Convergence retraction nystagmus ... retraction (Collier's sign ... → "setting sun sign
Downbeat Nystagmus on Physical Exam

65 year old female with new walking difficulty and dizziness. Why downbeat
Downbeat Nystagmus ... Why downbeat nystagmus ... movement causes downbeat ... bobvarkey #DBN #Downbeat ... #Nystagmus #PhysicalExam
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
unidirectonal nystagmus ... neurologic symptoms/signs ... bidirectional nystagmus
Labyrinthitis 
Vestibular neuritis + unilateral hearing loss = Labyrinthitis 
1) Vertigo (severe) 
2) Gait instability 
3)
vestibular CN VIII • Nystagmus ... Diagnosis #Symptoms #Signs