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ELECTRONYSTAGMOGRAPHY
BUTTERFLY CHART
DR.R.RAM SHANKAR
POST GRADUATE STUDENT
UIORL,MMC
Basic Concepts
ELECTRONYSTAGMOGRAPHY
Tests done with ENG
• Gaze test
• Optokinetic nystagmus test
• Positional test
• Caloric test
Caloric Induced Nystagmus
Nystagmus Perversion
Visual Fixation Supression
Failure of Visual Supression
Dissociative Nystagmus
Convergent Dissociation
Divergent Dissociation
Monocular Nystagmus
Petite Ecriture
Dysrythmias
Perilymph Fistula
Eyelid Tremors
Blinking of the Eyelids
Blepharospasm
Direction Changing Nystagmus
Vertical Spontaneous Nystagmus
Pendulum Tracking Test
Spontaneous Nystagmus Test
Gaze Test
Positional Nystagmus
Culmination Frequency
Caloric Tests
Electronystagmography
Electronystagmography
Electronystagmography
Electronystagmography
Electronystagmography
Electronystagmography
Electronystagmography
Electronystagmography
Electronystagmography
Electronystagmography
Electronystagmography
Electronystagmography
Electronystagmography
Electronystagmography

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