A History of Short Words

From the New York Times Crossword Puzzle

MRI

Wed, 17 Nov '21
Body shot, in brief?
Fri, 12 Nov '21
Hosp. diagnostic
Wed, 27 Oct '21
Hosp. scan
Sun, 17 Oct '21
Hosp. diagnostic
Sat, 2 Oct '21
Dr.'s order
Fri, 1 Oct '21
Open ___
Wed, 8 Sep '21
Med. scan
Tue, 18 May '21
Hospital scan, for short
Sun, 18 Apr '21
Hosp. procedure