A History of Short Words

From the New York Times Crossword Puzzle

ICU

Tue, 25 Oct '22
Post-O.R. locale
Sun, 18 Sep '22
Hosp. area
Sun, 29 May '22
IV site, for short
Mon, 18 Apr '22
Post-O.R. stop
Thu, 25 Nov '21
Location for round-the-clock monitoring, in brief
Sat, 3 Jul '21
Where cc's are seen
Thu, 20 May '21
Post-op stop
Sun, 2 May '21
Post-O.R. destination, often
Sat, 1 May '21
Frequent setting on "Chicago Med"
Sat, 20 Mar '21
Critical area, for short