Possible Clues:

• Stretcher carriers, for short
• Travelers to 98-Down
• Ones trying to increase circulation, for short?
• CPR deliverers
• They rush to accidents (abbr.)
• Crash respondents: Abbr.
• First responders, at times
• Lifesaving team: Abbr.
• Defibrillator users, for short
• Amb. drivers