[thá»±c dụng] [start with no] [Back blows and abdominal thrusts should be used when: The casualty is pregnant and severely obstructed The casualty is conscious, severely obstructed and not pregnant The casualty is unconscious and severely obstructed The casualty is conscious and mildly obstructed] [trã¯â¿â½] [gia tộc morgan] [phirngãtưt�] [VÒ©c t� ¡] [retard ã«å“â»] [bã¡â»ï¿½ï¿½ giã’] [165 Oakridge Dr, Dayton, NV]