I came on here to check as soon as i woke up at 7am, and posted a reply, but it seems to have vanished in the ether somewhere between here and there!
So, just wanted to say how thrilled I am that it wasn't the more serious diagnosis, but the swallowed dressing was quite bad enough. i hope she will recover very quickly and uneventfully and soon be home with you again.
(((HUGS)))