Los Angeles Assistant Chief Coroner Ed Winter tells PEOPLE that a chiropractor shifted May’s neck, tearing her left vertebral artery. The tear blocked blood flow to May’s brain and caused the ...

The lumen of the vertebral artery at the orifice was not over 1 mm. in diameter, but retrograde flow from above downward upon release of the occluding clamp was vigorous. A left vertebral ...

The distal portion of the right vertebral artery is filling retrogradely. The proximal left subclavian artery is partially obstructed at its origin. There is anterograde filling of the proximal ...

To date, there have been no randomized trials studying the use of different antiplatelet therapies or anticoagulation against antiplatelet therapy in known cases of extracranial vertebral artery ...

and there is also a hemodynamically significant lesion in the proximal left subclavian artery. Flow reversal can occur in both the vertebral and internal mammary artery, or can be isolated to ...

The type of stent and use of distal protective devices are also left to the interventionalist. 8 If these studies show that stenting is superior to medical management, this type I evidence may ...