31 results
Convergence Retraction Nystagmus with a left 6th nerve palsy

Caused by a Midbrain hemorrhage

Dr. Boby Varkey Maramattom
Convergence Retraction Nystagmus ... nerve palsy Caused ... Convergence #retraction #nystagmus ... video #neurology #ophthalmology
Seesaw Nystagmus 

Sawtooth or seesaw nystagmus is an unusual but characteristic type of nystagmus. Typically there
Seesaw Nystagmus ... Nystagmus can be ... interstitial nucleus of Cajal ... We have varied causes ... clinical #video #ophthalmology
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
minutes to days • Nystagmus ... with vascular causes ... • Nystagmus: ... positional episodes caused ... in semicircular canal
Growth Hormone Excess - Pathogenesis and clinical findings
 • Acromegaly and gigantism share the same pathophysiology
share the same pathophysiology ... • Other rare causes ... overgrowth: • Carpal ... endocrinology #pathophysiology
Characteristics of Peripheral and Central Vertigo
PERIPHERAL VERTIGO
 • Onset: Sudden
 • Intensity: Severe initially, often decreasing
vestibular neuritis • Nystagmus ... classic posterior canal ... in horizontal canal ... with vascular causes ... circulation TIA • Nystagmus
Central Retinal Vein Occlusion (CRVO)
 - Pathophysiology not fully understood; possibly due to thrombus located in
Occlusion (CRVO) - Pathophysiology ... Second most common cause ... disease (Most common cause ... ) #Clinical #Ophthalmology
Seesaw nystagmus 
-> eye move in an opposed vertical fashion (one goes up while the other
Seesaw nystagmus ... Seesaw nystagmus ... commonly parasellar masses ... Center #Seesaw #nystagmus ... #ophthalmology
Trachoma: Pathogenesis and clinical findings

 • Environmental Factors -> Bacterial infection is encouraged by poor hygiene
in the superior tarsal ... Extensive upper tarsal ... Trachoma #Chlamydia #pathophysiology ... #ophthalmology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of posterior semicircular canal
Ocular Nystagmus ... Maneuver This is a case ... posterior semicircular canal ... sudhir_kothari #Ocular #Nystagmus ... #physicalexam #ophthalmology
Ocular Nystagmus in PSC BPPV after Dix Hallpike Maneuver

This is a case of right posterior semicircular
Ocular Nystagmus ... Maneuver This is a case ... posterior semicircular canal ... anti-clockwise nystagmus ... #physicalexam #ophthalmology