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. 2021 Feb 1;25(1):e141–e149. doi: 10.1055/s-0040-1722252

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Fundação Otorrinolaringologia. This is an open access article published by Thieme under the terms of the Creative Commons Attribution License, permitting unrestricted use, distribution, and reproduction so long as the original work is properly cited. ( https://creativecommons.org/licenses/by/4.0/ )

This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives License, which permits unrestricted reproduction and distribution, for non-commercial purposes only; and use and reproduction, but not distribution, of adapted material for non-commercial purposes only, provided the original work is properly cited.

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Fig. 4 — Side Lying Test (adapted from the original). ⁴⁵ The patient sits sideways in the middle of an examination couch. The subject turns his/her head 45° away from the test ear and lies sideways so that they maintain the 45° head turn looking upwards toward the ceiling while the nystagmus is recorded. Bring the patients feet up onto the couch to be more comfortable. An external support (i.e caregiver) is commonly required.