63 results
Horizontal Nystagmus on Ocular Examination

Dr Prasad Jain @DrPrasadJain

#Horizontal #Nystagmus #Ocular #PhysicalExam #clinical #video #neurology #ophthalmology
Horizontal Nystagmus ... on Ocular Examination ... Dr Prasad Jain ... #Ocular #PhysicalExam ... clinical #video #neurology
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Head Impulse Test ... Nystagmus Test ... Animation by Dr ... Central #Peripheral #Neurology
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... hemorrhage Dr ... Convergence #retraction #nystagmus ... #ocular #physicalexam ... clinical #video #neurology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... minutes to days • Nystagmus ... Varies • No neurologic ... position change • Neurologic ... differential #diagnosis #neurology
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Parinaud's Syndrome ... Convergence retraction nystagmus ... disease (stroke) Dr ... gabifpucci #Parinauds #Syndrome ... diagnosis #pineal #neurology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Parinaud's syndrome ... Convergence retraction nystagmus ... pretectal area By Dr ... neudrawlogy #Parinauds #syndrome ... #neurology #diagnosis
Lateral Medullary Syndrome - Wallenberg's Syndrome
Acute continuous vertigo due to Posterior Circulation Stroke (usually Posterior Inferior
- Wallenberg's Syndrome ... continuous vertigo due ... vomiting/vertigo/nystagmus ... (CN 9, 10) By Dr ... #Wallenbergs #neurology
Primary Downbeat Nystagmus on Ocular Examination

Primary downbeat nystagmus, most evident on looking down and out .
Primary Downbeat Nystagmus ... on Ocular Examination ... inconclusive Dr ... #Ocular #clinical ... #physicalexam #neurology
HINTS Exam - Distinguishing Central from Peripheral Vertigo
 • Head Impulse: Head thrust 10° with eyes
examiners nose • Nystagmus ... following a finger) • Test ... uncover each eye Dr ... Vertigo #diagnosis #neurology
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
pupillary light reflex ... Optic neuritis due ... to MS How to test ... By Dr. ... #Defect #RAPD #neurology