Kamila Valieva Olympic doping scandal
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15-year-old Russian figure skating star, Kamila Valieva, has reportedly tested positive for a banned substance at the Beijing Olympics

Feb 7: Kamila Valieva helps
Russian Olympic Committee (ROC)* win gold in Figure Skating Team Event. She is first woman to land quadruple jump at Olympics – doing it twice

Feb 9: Medal ceremony suspended amid reports Valieva tested positive for banned drug trimetazidine, from sample taken in December

TRIMETAZIDINE (metabolic agent)
Heart medication given to people with angina – condition that reduces blood flow to heart muscles

Healthy athlete: Drug can increase blood flow efficiency and improve endurance – crucial in top- class athletics

TRIMETAZIDINE DOPING CASES
2014: Chinese swimmer Sun Yang, three-time Olympic champion, given 3-month ban
2018: Russian bobsleigher Nadezhda Sergeeva disqualified and given 8-month ban

*Athletes not allowed to compete under Russia flag due to state-sponsored doping scandal 
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Sources: AP, Sky News, NBC Pictures: Getty Images, Creative Commons © GRAPHIC NEWS