72 results
Horizontal Nystagmus on Ocular Examination

Dr Prasad Jain @DrPrasadJain

#Horizontal #Nystagmus #Ocular #PhysicalExam #clinical #video #neurology #ophthalmology
Horizontal Nystagmus ... Examination Dr ... #Horizontal #Nystagmus ... clinical #video #neurology ... #ophthalmology
Parinaud's Syndrome
What?
 - Impaired upgaze
 - Light-near dissociation
 - Convergence retraction nystagmus
 - Eyelid retraction (Collier's
Convergence retraction nystagmus ... → "setting sun sign ... " - Vascular disease ... (stroke) Dr. ... diagnosis #pineal #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 ... clinical #video #neurology ... #ophthalmology
Parinaud's syndrome
What?
 • Light-near dissociation (tectal pupils)
 • Convergence retraction nystagmus
 • Eyelid retraction (Collier's sign)
Convergence retraction nystagmus ... "setting sun" sign ... • Vascular disease ... pretectal area By Dr ... Parinauds #syndrome #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 ... Méniére's disease ... differential #diagnosis #neurology
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
unidirectonal nystagmus ... • Meniere's Disease ... Dysfunction - Imbalance, neurologic ... symptoms/signs, ... Dizziness #Vertigo #Neurology
Romberg's Test for Proprioception
History: First described in the 19th century in patients with tabes dorsalis (later
(Romberg's sign ... • Cerebellar disease ... Unilateral vestibular disease ... the lesion By Dr ... #neurology #diagnosis
Acute Treatment of Migraine
Mild Attacks: NSAIDs, Simple Analgesics
Moderate/Severe Attacks: Triptans, Ditans, Gepants, Ergots
Non-pharmacologic Treatment: Neuromodulation, Rest,
Acute Treatment ... Non-pharmacologic Treatment ... Neuromodulation, Rest ... exposure By Dr ... #management #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