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A comprehensive review of vng testing, covering various aspects of the procedure, including pre-test instructions, test steps, expected results, and common pathologies. It presents a series of questions and answers that can be used for study purposes, particularly for students in healthcare fields.
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1. otoscope, computer, goggles, patient table, tv, caloric machine, lighting
what is needed to do VNG?
what should you not take before VNG testing?
name some tests in the VNG battery
how do you do the spontaneous nys- tagmus test?
what is the difference between the direction of peripheral vs central nys- tagmus?
how is gaze nystagmus performed?
nystagmus can happen af- ter gaze nystagmus test but is not clinically significant (2-3 beats of nys- tagmus that does not persist)
12. alexander's law states that horizontal nystagmus increases its intensity as a patient gazes further in the firection of the past component of the nystagmus.
how do you perform the saccade test?
how do you perform smooth persuit?
have patient lay in various positions and check for nystagmus with and without fixation