Related Clues:

• ASAP in the OR
• Doctor's directive
• 40-Across, e.g.
• 'On the double!'
• Dice roll
• E.R. order
• Immediately, to a surgeon
• P.D.Q. in the I.C.U.
• Number of pipers piping
• ER order
• ER command
• A natural in Vegas
• Diamond datum
• 'Quickly!'
• Bit of data