"I can only make assumptions," Lovegood says with a shrug. "My diagnostic spells showed parameters that someone having a massive heart attack would display. And there was multi-organ failure. Since we didn't have a textbook solution ready, we treated you intuitively. First we cast the Rennervate a couple of times, then we pepped you up with all sorts of things until your system stabilized. Long-term damage cannot be ruled out, but I don't want to speculate. Time will tell. I've never seen anything like it. It was indeed pure luck that our treatments worked. Probably only because Harry brought you here immediately. You weren't gone more than a minute and a half, but that was a few hours ago. We're glad you're awake now."