Search OHSU. Voiding Cystourethrogram (VCUG) A VCUG test uses X-rays of the bladder when it's full and when it's emptying to detect abnormalities. A thin, flexible tube (catheter) is inserted through the urethra (urine channel) and into the bladder while your child lies on his or her back on an X-ray table.
Historically, the United States has had lower levels of inflation when on a gold standard. From 1880-1913, under a gold standard, average inflation was 1.6% per year. In 1971, when Nixon took the United States off the gold standard, inflation was at 3.3%. By 1979 it had risen to 13.3%. In a study of 15 countries covering the years 1820-1994, Federal Reserve economists found the average annual inflation rate under a gold standard was 1.75%, versus 9.17% when not on a gold standard.
Is U.S. currency still backed by gold? No, when the United States stopped selling gold to foreign official holders of dollars at the rate of $35 an ounce in 1971, it brought the gold exchange standard to an end. In 1973, the United States officially ended its adherence to the gold standard.