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, also called an arteriogram, is an invasive diagnostic test that uses x-rays to take pictures of your blood vessels. A long flexible catheter is inserted through the blood stream to deliver dye (contrast agent) into the arteries making them visible on the x-ray.