Below are videos of seven different patients whose right Dix-Hallpike test was positive.
Note: Unsustained refers to nystagmus lasting less than a minute and is typical of canalithiasis. Geotropic nystagmus refers to nystagmus beating towards the ground.
Below are videos of eight different patients whose left Dix-Hallpike test was positive.
Note: Unsustained refers to nystagmus lasting less than a minute and is typical of canalithiasis. Geotropic nystagmus refers to nystagmus beating towards the ground.
Sometimes seeing the torsional or vertical component of the nystagmus can be a challenge when performing the right and left Dix-Hallpike. There is a trick, however, to tease out both the torsional and vertical component of the nystagmus.
Below are videos of four different patients whose right Roll test was positive.
Note: Unsustained refers to nystagmus lasting less than a minute and is typical of canalithiasis. Geotropic nystagmus refers to nystagmus beating towards the ground.
Below are videos of four different patients whose left Roll test was positive.
Note: Unsustained refers to nystagmus lasting less than a minute and is typical of canalithiasis. Geotropic nystagmus refers to nystagmus beating towards the ground.
