Sensitive childcare at the drop of a hat for families in a jam - it's a job for the emergency nanny. Karen Faux reports Working as an emergency nanny can be a tough call. Would you feel confident about stepping into an unfamiliar household where a member of the family has been taken ill or called away on business, leaving behind children who feel their whole world has been turned upside down? Or coping with a child who is sick at home and being left by parents who have to go out to work?