Possible Clues:

• Where R.N.s are always needed
• Place for an oxygen tent, for short
• Critical hosp. locale
• Place with drips, for short
• Restricted hosp. area
• Post-E.R. area
• Where some R.N.s work
• Where R.N.s treat critical patients
• R.N.'s place
• Site of some hookups: Abbr