ED adds 'safety room' in wake of fatal shooting.
D004636:Emergency Service, Hospital / Q000458:organization & administration*; D005389:Firearms; D006801:Humans; D019982:Organizational Case Studies; D010356:Patient Isolation / Q000379:methods*; D010414:Pennsylvania; D017751:Safety Management / Q000379:methods*; D014754:Violence / Q000517:prevention & control*