electronystagmogram examination of patients with transient ischaemic attacks or infarcts in the carotid and vertebrobasilar system revealed significantly increased number of patients with reduced caloric response , abnormal optokinetic nystagmus , saccadic dysmetria and presence of central nystagmus in patients with ischaemia of the posterior circulation .
C0021308
infarcts
C0022116
ischaemia