disease has location arterial disorder vertebral artery insufficiency https://www.malacards.org/card/vertebral_artery_insufficiency ICD9:435.1 SCTID:34781003 DOID:13095 NCIT:C35123 MONDO:0001631 icd11.foundation:1541569386 A syndrome which occurs as a result of the occlusion of one of the vertebral arteries. It may be caused by atherosclerosis, embolism or hemorrhage. Collateral circulation through the circle of Willis is usually comprised as well. Clinical signs may include vertigo, nystagmus, dysarthria, ataxia and sensorimotor deficits. Clinical course may lead to persistence of neurologic deficits. Prognosis is variable with a substantial risk for recurrent infarction. UMLS:C0042560 vertebral artery syndrome MEDGEN:22638 syndromic disease transient ischemic attack vascular insufficiency disorder vertebral artery