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Title | Description | Subject |
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Dix-Hallpike Maneuver in Posterior BPPV with Reversal of Nystagmus on Sitting Up | 𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This 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 brie... | BPPV Posterior; BPPV Diagnosis; Jerk Nystagmus; Vestibular Nystagmus |
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Posterior Canal - BPPV: Epley and Semont Maneuvers | 𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: Epley/canalith repositioning maneuver (CRP) To treat right posterior canal (PC)-BPPV (each position maintained for at least 30 seconds or until nystagmus and/or vertigo cease): • First the patient is placed in the long-... | Benign Paroxysmal Positional Vertigo; BPPV; Posterior Canal; Epley Canalith Repositioning Maneuver - CRP; Semont Maneuver; Exam; Examination |
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Posterior Canal BPPV Pre- and Post-Epley Maneuver | 𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This 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 b... | BPPV Posterior; BPPV Diagnosis; BPPV Treatment; Jerk Nystagmus; Vestibular Nystagmus |
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Posterior Canal BPPV Treated with Semont Maneuver | This 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 |
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Posterior Canal BPPV with Fixation and with Fixation Removed | This 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 |
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Relationship Between Semicircular Canals and Extraocular Muscles | Figure 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 |