Watch Sweeney's crash in the videos below, but please note that some viewers may find the footage distressing.
The team doctor said Sweeney, 24, suffered bumps and bruises and no broken bones.
U.S. Olympian Emily Sweeney was involved in a frightening crash Tuesday on the luge track in Pyeongchang, spinning out of control during the women's singles final.
Curve 9 has been a problem for sliders throughout the early portion of the Olympics, causing many to skid, lose control and lose some time.
South Korea had been Sweeney's first Winter Olympics appearance after she narrowly missed out on going to the Vancouver games in 2010 - losing the final spot on the team to her older sister Megan. The crowd at the Alpensia Sliding Center - which had been raucous all night - immediately went silent while waiting for any sign that Sweeney was fine. She got sideways out of 9, and started oscillating up and down 12, before her feet hit the roof, coming back down on her neck and head it looked like.
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"I've never been so relieved than when I saw her getting up and walking", said American teammate Summer Britcher, who was choking back tears. She was being taken for further evaluation, but a USA Luge spokesperson said he wasn't sure whether she would undergo concussion protocol.
Emily Sweeney starts to lose control of her toboggan before crashing.
Germany's Natalie Geisenberger won the gold model, while American Erin Hamlin finished in sixth place. Jong Jin Kim came to the United States from South Korea in 1982, so Chloe's trip to the Games in Pyeongchang has been particularly powerful for her family.
Only 20 women from the original field of 30 advanced to the final two runs.
Competition was suspended while medical officials attended to Sweeney.