DE Silva L, Cooper B P, McLeod J G
Proc Aust Assoc Neurol. 1975;12:157-60.
A typical case of periodic alternating nystagmus is described. Periodic alternating nystagmus is a form of horizontal or horizontal-rotary jerk nystagmus of which the most characteristic feature is an alternation in direction at regular intervals. The condition appears to be not as rare as has been believed previously and may indicate a lesion in the upper part of the medulla.
描述了一例典型的周期性交替性眼球震颤病例。周期性交替性眼球震颤是水平性或水平旋转性急跳性眼球震颤的一种形式，其最典型的特征是方向以规则的间隔交替变化。这种情况似乎并不像之前认为的那样罕见，可能提示延髓上部存在病变。
