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TitleDescriptionSubject
1 Dix-Hallpike Maneuver in Posterior BPPV with Reversal of Nystagmus on Sitting UpThis is a patient with typical posterior canal (PC) benign paroxysmal positional vertigo (BPPV), which is provoked by the Dix-Hallpike maneuver. When the patient is moved into the right Dix-Hallpike maneuver, after a brief latency, upbeat-torsional (towards the lowermost or affected [right] ear) nys...BPPV Posterior; BPPV Diagnosis; Jerk Nystagmus; Vestibular Nystagmus
2 Posterior Canal BPPV Pre- and Post-Epley ManeuverThis is a patient with typical right posterior canal benign paroxysmal positional vertigo (BPPV), which was provoked by the Dix-Hallpike maneuver. When the patient was moved into the right Dix-Hallpike maneuver, after a brief latency, upbeat-torsional (towards the lowermost or affected [right] ear) ...BPPV Posterior; BPPV Diagnosis; BPPV Treatment; Jerk Nystagmus; Vestibular Nystagmus,
3 Posterior Canal BPPV Treated with Semont ManeuverThis is a patient with left posterior canal (PC) benign paroxysmal positional vertigo (BPPV), and upbeat-torsional (towards the left ear) nystagmus was provoked by left Dix-Hallpike maneuver and left side-lying maneuver. This video demonstrates treatment of her left PC BPPV with the Semont maneuver....BPPV Posterior; BPPV Diagnosis; BPPV Treatment; Jerk Nystagmus; Vestibular Nystagmus
4 Posterior canal BPPV with fixation and with fixation removedThis is a 60-yo-woman with positional vertigo. In the right Dix-Hallpike position with fixation removed, there was clear upbeat-torsional nystagmus (towards the lowermost right ear) which led to the diagnosis of right posterior canal BPPV. In right Dix-Hallpike with fixation there was mainly torsion...Benign Paroxysmal Positional Vertigo; BPPV, Dix-Hallpike, posterior canal; Vestibular nystagmus; Jerk nystagmus
5 Relationship Between Semicircular Canals and Extraocular MusclesFigure 1: When stimulated, each of the 6 angular acceleration detecting semicircular canals (3 on the right and 3 on the left) responds with a conjugate eye movement, with the vector(s) indicated below. PC=posterior canal; HC=horizontal (also known as lateral) canal; AC=anterior (also known as super...Extraocular Muscles
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