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Title | Description | Subject |
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Horizontal Canal - BPPV: BBQ Roll to Treat the Right Side | 𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: To treat right horizontal canal (HC)-BPPV (each position maintained for at least 30 seconds or until nystagmus and/or vertigo cease): • First the patient is placed in the long-sitting position • Then in a supine posit... | Benign Paroxysmal Positional Vertigo; BPPV; Horizontal Canal; Lempert 360- (Barbeque) Degree Roll Maneuver; Exam; Examination |
2 |
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Horizontal Canal - BPPV: Gufoni for Right Apogeotropic | 𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: To treat the right apogeotropic (beating towards the sky with right ear down and with left ear down - e.g., left beating nystagmus with right supine roll test or with right ear down; right beating nystagmus with left supi... | Benign Paroxysmal Positional Vertigo; BPPV; Horizontal Canal; Ageotrophic Gufoni Maneuver; Exam; Examination |
3 |
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Pseudo-Spontaneous Nystagmus and Bow and Lean Test in Horizontal Canal BPPV | 𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻:This is a 70-year-old woman presenting to the Emergency Department with positional vertigo that was determined to be due to the apogeotropic variant of right horizontal canal (HC) benign paroxysmal positional vertigo (BPPV... | Benign Paroxysmal Positional Vertigo; BPPV; Horizontal Canal; Jerk Nystagmus; Vestibular Nystagmus; Head Shaking |
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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 |
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The Apogeotropic Variant of Horizontal Canal BPPV | 𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a patient with the apogeotropic (nystagmus beating towards the sky) variant of right horizontal canal (HC) benign paroxysmal positional vertigo (BPPV). In a patient with geotropic (nystagmus beating towards the gr... | BPPV Horizontal; BPPV Diagnosis; Jerk Nystagmus; Vestibular Nystagmus |
6 |
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The Geotropic Variant of Horizontal Canal BPPV | 𝗢𝗿𝗶𝗴𝗶𝗻𝗮𝗹 𝗗𝗲𝘀𝗰𝗿𝗶𝗽𝘁𝗶𝗼𝗻: This is a patient with the geotropic (nystagmus beating towards the ground) variant of left horizontal canal (HC) benign paroxysmal positional vertigo (BPPV). In a patient with geotropic (nystagmus beating towards the gro... | BPPV Horizontal; BPPV Diagnosis; Jerk Nystagmus; Vestibular Nystagmus |