00:00We were getting ready for a spacewalk on January 8th, and it was just the evening before.
00:06We had just met with the doctors. I was feeling super. Everyone was feeling super.
00:11And then I wasn't. It was completely out of the blue. It was just amazingly quick.
00:21I can't tell you this. Well, we don't know what went wrong, but I can't tell you the symptoms
00:25at this time. My crewmates definitely saw that I was in distress, and they immediately
00:31started taking care of me. One of the Russian crewmates went to get the other guys, and it
00:38was all hands on deck within just a matter of seconds. I think everybody, as we timed it through,
00:45it was just a 20-minute event, roughly. But it was during that time, within just a few moments,
00:52we had the flight docs on the ground available by video, and they were able to walk my very
00:59well-trained, super capable crewmates through any of the initial tests that they wanted to
01:05see. I did my own echocardiogram, because we have ultrasounds there, and it looked like
01:11I did not have a heart attack. We did a few other things to rule out some other really big
01:16things. So we got to a point where we were comfortable saying we don't know what's going
01:19on. But in order to find out, to rule out some really serious possibilities, we need to come
01:27back to the ground. I think the preponderance of opinion, this was definitely related to
01:32microgravity. And at that time, I had 542 days of my life in microgravity. So sometimes it can catch
01:42up to us, and we're still trying to figure out what exactly the phenomenon was, perhaps. And that
01:49we were lucky that we were able to do scans so quickly after landing. So we're starting to think,
01:55is this something that we, does it make sense to do more scans on more people? Because maybe
02:00I was the only one who was symptomatic, but maybe whatever is happening to me could happen to others.
02:05So it's a really interesting time right now. And as we prepare ourselves to spend more time on the
02:12moon and Mars kind of things, we really, you know, the space station is showing, you know,
02:18its value in low Earth orbit to help understand how humans and microgravity interact.
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