Mytran wrote:

"I think the only "Astro Medicine" sign we ever saw was for "Ward 4", created for the 2nd pilot and featured in quite a few publicity shots, such as:
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And given our research in Peter Chung's thread, we can assume it's this door on the right:
http://tos.trekcore.com/hd/albums/1x...ehdalt0067.jpg
Another time is in "Way to Eden", just the recycled "Ward 4", again:
http://tos.trekcore.com/hd/albums/3x...edenhd0539.jpg
I can't say that Throwback's observation (Medical Ward on deck 5 in "Man Trap") is an argument to locate Sickbay on deck 7 and it gets worse. According to
The Making of Star Trek the intention had been to locate the "Computer Systems" on deck 7 and deck 8. According to "Journey to Babel" they're right across from Kirk's cabin on deck 5:
http://tos.trekcore.com/hd/albums/2x...abelhd0017.jpg
Bob