Sounding upbeat and ready to race, Kyle Larson spoke with the national media Thursday afternoon about a fainting episode Saturday that kept him out of his race car last Sunday.
Larson, 22, said that in the end, doctors feel it was a severe case of dehydration.
"I feel great right now and I felt perfectly fine shortly after I fainted the other day," Larson said. "I just had to get a lot of tests run to make sure nothing serious was wrong with me and all those test came back negative.
"All that time I felt fine and hated I couldn't race this weekend."
He even joked, "I had stuff hooked up to me from my head to my toes. Probably the only test I didn't get was a math test."
Larson, last year's Sunoco Rookie of the Year, fainted while signing autographs at the track. After initially being taken to a local hospital he was transported by helicopter to Carolinas Medical Center closer to his home in Charlotte for further tests.
arson was released late Monday night and on Thursday was cleared by NASCAR to resume competing again.