How to ensure the restoration and maintenance of the patient's airway in preparation for cardiopulmonary resuscitation ?
Clear the oral cavity from mucus and vomit . Lay the victim on his back, tilt his head back, raise the chin and extend the lower jaw .
Lay the victim on his side, tilt his head to the chest . Clear the oral cavity from mucus and vomit .
Lay the victim on his back and, without throwing his head back, squeeze his cheeks to part his lips and open his mouth . Clear the oral cavity from mucus and vomit .