It's out! Will have to watch him for an hour or two to make sure the throat doesn't swell up and close on itself, but so far so good. Levi was so happy he cried. Well, he probably didn't cry from happiness—but I did.
As they were preparing to extubate him, the cardiologist who first determined that Levi had major lung problems stopped by for the first time since his last surgery. She pronounced the repair "perfect" and said she was really amazed he was doing so well post-op.
After all this waiting and watching, it just feels like Bee-bi has been born again.