Possible Clues:

• Fit
• Uncontrollable fit (of giggles, coughing etc)
• Stand-in NCO securing area in sudden attack
• Uncontrollable outburst
• Fit new prams to carry oxygen, lacking information
• Emotional outburst
• Sudden attack (of, eg, laughter)
• Bloke
• Sudden attack in the afternoon, so X-ray somehow must be fitted in
• Mad Max — or spy getting fit