Related Clues:

• Word on an urgent message
• Without delay, in a memo
• 'Right away!'
• ''On the double!''
• Boxer's reach, e.g.
• NBA figure
• Strikeouts, say
• A.S.A.P. in an E.R.
• Posthaste, briefly
• ASAP
• Letters akin to P.D.Q.
• On the double, in the O.R.
• 'Stat'
• In very short order
• Express letters?