Airway + Breathing disorders, CPR notes Lukas Dadak, MD St. Ann's University Hospital, Brno 15740@mail.muni.cz Basic Vital signs: •RESPOND = consciousness •A+B breathing •C circulation Primary Survey = 20s Recovery position lseveral variations lstable, near a true lateral position with the head dependent, lwith no pressure on the chest to impair breathing I: coma + spontaneous breathing KI: back injury KEY: check for breathing lRemove the victim’s spectacles. lKneel beside the victim and make sure that both legs are straight. lPlace the arm nearest to you out at right angles to the body, elbow bent with the hand palm uppermost lBring the far arm across the chest, and hold the back of the hand against the victim’s cheek nearest to you lWith your other hand, grasp the far leg just above the knee and pull it up, keeping the foot on the ground. lKeeping his hand pressed against his cheek, pull on the far leg to roll the victim towards you onto his side. lAdjust the upper leg so that both hip and knee are bent at right angles. lTilt the head back to make sure the airway remains open. Choking Conscious Adult •uncommon but potentially treatable •less than 1% of these incidents are fatal When? •while eating •while playing (coins, toys) NOTE: narrowest place of airway: glotis / subglotic space First aid: Forein-Body Airway Obstruction •relief FBAO = life saving procedure •safe, effective, simple •Cough and bend forwards •Back blows/slaps •Abdominal thrusts = (Heimlich Maneuver) •Chest thrusts •often you will need more than 1 procedure to clean airway Heimlich man. = abdomen thrust chest thrust may be used for markedly obese persons or in late stages of pregnancy Back blows bend forwards lStand to the side and slightly behind the victim. lSupport the chest with one hand and lean the victim well forwards so that when the obstructing object is dislodged it comes out of the mouth rather than goes further down the airway. lGive up to five sharp blows between the shoulder blades with the heel of your other hand Following successful treatment: Victims with a persistent cough, difficulty swallowing or the sensation of an object being still stuck in the throat should be examined lAbdominal thrusts can cause serious internal injuries lall victims treated with abdominal thrusts should be examined for injury by a doctor Clear airway if necessary during coma •with the casualty supported on the side, tilt the head backwards and slightly down. •Open the mouth and clear any foreign object. Only remove dentures if loose or broken. •Use your 2 fingers only - if you see solid material in the mouth •Do not push fingers where you can not see Guedel airway Oro-Pharyngeal Airway I: unconsciousness + airway obstruction with tongue Correct size OPA: ldistance angle of mouth --- ear Risk in mild unconsciousness: lvomitus + aspiration Naso-Pharyngeal Airway (trumpet) Correct size of NPA: ldistance nostril --- ear Risk: lbleeding from nasal cavity lUse of lubricant is essential Face mask ventilation Positive pressure ventilation by bag-valve mask lcorrect volume = movement of chest lf 10/min l100% O2 l1 hand hold: -inch + index f. -3 ff. - chin l2 hands Chain of survival lto impove outcome after cardiac arrest