Related Clues:

• Inhale with astonishment
• [You can't mean that!]
• Inhale suddenly
• Breathe with difficulty when doctor comes round
• Pant quietly, after oxygen perhaps
• Fight for breath when restrained by medic
• Last-__: desperate
• Have sudden inspiration?
• Initially grass snake causes sharp intake of breath
• [''Oh, no!'']
• Clever idea asthmatic has
• Reaction to a surprise
• Show surprise, in a way
• [What a shocker!]
• Awed sound