Some states award delegates to candidates on a winner-take-all basis, meaning that the candidate with the most votes in a state is awarded all of that state's delegates. Other states award delegates in proportion to each candidate's share of the primary vote.
Provocative angiography involves a full diagnostic angiogram followed by administration of intra-arterial procoagulant agents to identify an occult bleeding source in patients who have normal test results after lower gastrointestinal bleeding.
An angiogram is a test used to examine blood vessels. When diagnosing a brain injury, the test involves injecting dye into an artery that supplies blood to the brain, usually through a catheter inserted in the groin. The dye highlights the blood vessels on x-ray, and can show any leakage from those vessels.