It is both. Artificial nutrition and hydration (ANH), whether delivered by the mechanism of a percutaneous endoscopic gastrostomy (PEG), or another mechanism (such as a nasogastric (NG) tube) is a "life-prolonging procedure" under Florida law, (see F.S. Chapter 765, Section 765.101(10)).
Thank you so much! That's just the info I was after. (Either Google or I wasn't up to the search. I did try :-) )