Study of Origin of Left Vertebral Artery from the Arch of Aorta in Central India and its Clinical Relevance

Vertebral artery is a branch from first part of subclavian artery. On left side it may take origin from the arch of aorta. In present study on twenty cadavers and two fetuses, vertebral artery on left side was arising from the arch of aorta in three cases (13.63%). Condition may be presented with dizziness. Anomalous presentation may interfere with haemodynamics of circulation of brain and also interfere with catheterization, surgery and mislead radiologically. Therefore this anomaly should be kept in mind by physician, surgeon and also forensic experts in establishing cause of death.