A sample provided by a teenage Russian figure skater to an antidoping laboratory before the Beijing Games included three substances that are sometimes used to help the heart, according to a document filed in her arbitration hearing on Sunday.
The skater, Kamila Valieva, was cleared to continue competing in the Games by a panel of arbitrators on Monday even though a drug found in her system, trimetazidine, is on the list of drugs banned by global antidoping officials. Valieva, 15, provided the sample in December, but Russian antidoping officials said they had learned of her positive result only last week.