Possible Clues:

• It may be medically induced
• What a person who's out may be in
• Sounds as if one might unconsciously run a rake through this
• Unconsciously firm with one's parent
• Mark loses heart — an unhealthy condition
• Result of a big hit, maybe
• Long time out
• Soap opera plot device
• Robin Cook's classic novel
• Trope used in many a hospital drama