Surgery Trauma edbb5c93 Flail chest is defined as A Fracture of 3 or more ribs at 2 or more places B Fracture of 2 or more ribs at 2 or more places C Fracture of 2 or more ribs at one place D Fracture of multiple ribs at one place High-Yield Explanation Flail chest : Fracture of two or more consecutive ribs, with each rib having two or more fracture sites. Such segment is called flail segment. Ref : SRB&;s 4thE pg:1196