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 - Civil War: While overseas, Dewey was given the opportunity to visit the great cities of Europe, such as Rome and Athens, before going ashore and exploring Jerusalem. Returning to the United States in December 1859, Dewey served on two short cruises before traveling to Annapolis to take his lieutenant's exam in January 1861.