### Clue: Husband brought to posh hospital for what? (3)
### Answer: HUH 
 ### Explanation: Definition: what
 H(abbrev. for "husband") **placed above**(brought to) U(indicating upper-class behaviour, etc.) + H(abbrev. for "hospital").
Answer: An interjection expressing an interrogation ("What?" or "Huh?") or disbelief ("What!" or "Huh!").