Fig. 1From: Ultrasonography is an effective tool for the evaluation of traumatic vertebral artery injuries distal to fourth cervical vertebra in the emergency roomA Macro photograph. Ultrasonography examination of a patient in the supine position. B Ultrasound image of normal vertebral artery (VA). The VA enters into the C6 bony foramen and passes through C5 and C4 bony foraminaBack to article page