The contrast uses a colorant/dye introduced with an IV during your MRI. No contrast is just a MRI without an IV. The dye is used to be able to see more detail.he contrast uses a colorant/dye introduced with an IV during your MRI. No contrast is just a MRI without an IV. The dye is used to be able to see more detail.
George Dewey. George Dewey (December 26, 1837 â January 16, 1917) was Admiral of the Navy, the only person in United States history to have attained the rank. He is best known for his victory at the Battle of Manila Bay during the SpanishâAmerican War.
George Dewey, (born Dec. 26, 1837, Montpelier, Vt., U.S.âdied Jan. 16, 1917, Washington, D.C.), U.S. naval commander who defeated the Spanish fleet at the Battle of Manila Bay during the Spanish-American War (1898). A graduate of the U.S. Naval Academy at Annapolis, Md., in 1858, Dewey was commissioned a lieutenant three years later. In the U.S. Civil War (1861â65), he served with Union naval forces in the battles of New Orleans (1862) and Port Hudson and Donaldsonville, La. (1863).