Respiratory Emergencies

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Slide 1 :

Respiratory Emergencies Eileen Humphreys PA-C, EMT-I

Slide 2 :

Respiratory Cycle Inspiration Active process that uses contractions of several muscles to increase the size of the chest cavity Diaphragm lowers and ribs move up and out The expanding size of the chest cavity pulls air in

Slide 3 :

Respiratory Cycle Expiration Passive process that uses relaxation of muscles to decrease chest cavity size and allow air to move out Diaphragm moves up and ribs move down and in

Slide 4 :

Respiratory Cycle Oxygen and carbon dioxide are exchanged in the alveoli and capillaries of the lungs as well as the capillaries of the body Critical to support life

Slide 5 :

Respiratory Emergencies May be a result of head/neck/chest injuries Emotional distress Obstruction to the upper or lower respiratory tract Fluid or collapse of the alveoli Cardiac compromise Allergic reaction

Slide 6 :

Respiratory Emergencies Dyspnea shortness of breath difficulty breathing

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Respiratory Emergencies Apnea respiratory arrest

Slide 8 :

Respiratory Emergencies Hypoxia inadequate supply of oxygen

Slide 9 :

Bronchoconstriction Bronchioles of the lower airway are significantly narrowed Also called bronchospasm Usually results in wheezing

Slide 10 :

Bronchoconstriction Can be opened up by use of a bronchodilator such as Albuterol Relaxes the bronchioles Called a Beta 2 agonist

Slide 11 :

Respiratory Emergencies Scene size-up may give important clues Look for oxygen tanks,tubing, masks

Slide 12 :

Initial Assessment General impression usually in a tripod position patient lying in a supine or reclining position may be in mild distress or in such distress that they have become too exhausted to stay upright

Slide 13 :

Initial Assessment Frightened or confused facial expression may indicate severe distress Speech-usually limited or absent If speech is normal-airway is open and clear with minimal distress

Slide 14 :

Initial Assessment Restlessness, agitation, combativeness, confusion, and unresponsiveness can be caused by inadequate oxygenation to the brain

Slide 15 :

Initial Assessment Listen for crowing, snoring, stridor, or gurgling Indicates partial airway obstruction Look for adequate rise and fall of chest, exchange of oxygen, volume exchanged

Slide 16 :

Initial Assessment Skin Cyanosis to the neck or chest indicates severe respiratory distress

Slide 17 :

Respiratory Emergencies All patients in respiratory distress are priority transport Decline very rapidly

Slide 18 :

SAMPLE history for responsive patients Use OPQRST to gather information of symptoms

Slide 19 :

Rapid trauma assessment for unresponsive patients

Slide 20 :

Physical Exam Assess the skin for discoloration Assess the neck for tracheal deviation, retractions, JVD (jugular venous distention) Assess the chest for retractions of the intercostal spaces, asymmetrical chest rise, subcutaneous emphysema Auscultate the lungs for equal breath sounds

Slide 21 :

Wheezing- musical sound caused by bronchospasm or fluid in the lungs Rhonchi-snoring or rattling sounds Crackles-bubbling or crackling noises heard on inhalation. Associated with fluid and heard first at bases

Slide 22 :

Assessing Adequate Breathing Patient does not appear to be in distress Can speak in full sentences without stopping to catch their breath Color will be normal Mental status and orientation (person, place, time) will be normal

Slide 23 :

Assessing Adequate Breathing Rate: Adult- 12 to 20 per minute-12 Child- 15 to 30 per minute-20 Infant-25 to 50 per minute-20 Rhythm: Regular and even Inspiration and expiration usually last about the same length of time

Slide 24 :

Assessing Adequate Breathing Quality: Breath sounds will be present and equal bilaterally Both sides of chest should rise and fall equally and adequately Unlabored-should not require effort

Slide 25 :

Treatment of Adequate Breathing If patient is breathing at a slightly abnormal rate but it is adequate: 15 lpm via NRB Monitor closely Be on the lookout for beginnings of inadequate breathing or respiratory arrest Intervene quickly if condition worsens

Slide 26 :

Assessing Inadequate Breathing Not adequate to support life and will progress to death unless there is intervention Rate-can be too fast or slow Agonal respirations-dying respirations which are sporadic, irregular breaths seen just before resp. arrest. Shallow, gasping Rhythm-may be regular or irregular

Slide 27 :

Assessing Inadequate Breathing Quality: Breath sounds may be diminished or absent Depth (tidal volume) will be shallow, inadequate Chest expansion-may be unequal or inadequate Respiratory effort may be increased

Slide 28 :

Assessing Inadequate Breathing Quality: Accessory muscle use seen Skin may be pale or cyanotic Skin may be cool and clammy Snoring or gurgling in unresponsive patients or patients with diminished responsiveness

Slide 29 :

Treatment of Inadequate Breathing Inadequate breathing with abnormal rate Begin artificial ventilations with either the pocket mask or BVM Ventilate 12 times per minute for adults Ventilate 20 times per minute for children/infants

Slide 30 :

Treatment of Inadequate Breathing You may have to treat a patient with inadequate breathing who is awake enough to fight artificial ventilations In this case contact medical direction and transport immediately

Slide 31 :

Patient Care for Inadequate Breathing If properly performed, pulse rate will return to normal (in adults pulse usually increases in resp. distress) If pulse stays high re-evaluate the technique Color will return to normal if ventilations are adequate

Slide 32 :

Patient Care If pulse does not return to normal re-evaluate airway, ventilations, O2 canister (empty), tubing (kinked) If chest does not rise or pulse does not return to normal, increase ventilation force after assuring proper technique

Slide 33 :

Respiratory arrest Confirm unresponsiveness Open airway by jaw thrust or chin-lift Look, listen, feel for 3-5 seconds If not breathing Give 1 full breath lasting 2 seconds and allow patient to exhale

Slide 34 :

Respiratory arrest If the air goes in, give breaths every 5 seconds with each breath lasting 2 seconds and allow to passively exhale between breaths If no air goes in, reposition head Check pulse frequently to monitor cardiac status

Slide 35 :

COPD Chronic obstructed pulmonary disease Chronic Bronchitis Emphysema

Slide 36 :

Chronic Bronchitis Usually has a productive cough for 3 months out of the year for 2 years Edema, inflammation and excessive mucus production of the bronchioles/bronchi Restricted air movement Gas exchange is compromised Retained CO2

Slide 37 :

Chronic Bronchitis Overweight Productive cough Rhonchi

Slide 38 :

Emphysema Loss of elasticity of the alveolar walls Distention of the sacs causing air trapping Air movement is restricted and patient retains carbon dioxide

Slide 39 :

Emphysema Thin, barrel chest Non-productive cough Prolonged exhalation Pursed lip breathing Wheezing and rhonchi

Slide 40 :

Treatment of COPD Ensure open airway, adequate breathing, supplemental oxygen, position of comfort

Slide 41 :

Hypoxic Drive COPD patients Low levels of oxygen in the body stimulate breathing In theory too much oxygen can cause the body to reduce or stop breathing Usually occurs with high concentrations of O2 over 24 hours

Slide 42 :

Hypoxic Drive Not normally a problem in prehospital environments Always give high flow oxygen to those who need it

Slide 43 :

Asthma Reversible narrowing of the lower airways Edema, bronchospasm, and increased mucus production Mucus production block smaller airways and causes air to be trapped in the alveoli

Slide 44 :

Asthma Exhalation becomes difficult and patients must force air out past constricted airways This causes wheezing on exhalation Exhalation becomes an active process

Slide 45 :

Asthma Lack of wheezing or lung sounds in a patient suffering from an asthma attack is ominous Status asthmaticus-prolonged attack which does not respond to oxygen or medication

Slide 46 :

Pneumonia Viral or bacterial disease infecting the lower respiratory tract Causes lung inflammation Poor gas exchange

Slide 47 :

Pneumonia Signs/symptoms fever/chills cough dyspnea chest pain-localized, sharp, worse with breathing rhonchi/crackles

Slide 48 :

Pulmonary Embolus Sudden blockage of blood flow through a pulmonary artery or branches Due to blood clot, air bubble, foreign body, fat particle Decrease in gas exchange Hypoxia

Slide 49 :

Pulmonary Embolus Risk factors recent surgery prolonged immobilization multiple fractures thrombophlebitis chronic atrial fibrillation medications (OCP’s)

Slide 50 :

Pulmonary Embolus Suspect if sudden onset of unexplained dyspnea, hypoxia, tachypnea, and stabbing chest pain Will have normal breath sounds and adequate volume

Slide 51 :

Acute Pulmonary Edema Excessive amount of fluid between alveoli and capillary space Disturbs gas exchange Causes hypoxia Cardiogenic and non-cardiogenic

Slide 52 :

Acute Pulmonary Edema Signs/symptoms dyspnea worse with exertion orthopnea blood tinged sputum tachycardia pale, moist skin swollen lower extremities

Slide 53 :

Respiratory-Pediatric Patients Remember the most common cause of cardiac problems in pediatrics is---??? Respiratory intervention must begin quickly and be monitored at all times Know the difference in structures from adults

Slide 54 :

Inadequate Pediatric Breathing Early signs accessory muscle use retractions tachypnea tachycardia

Slide 55 :

Inadequate Pediatric Breathing nasal flaring coughing cyanosis to the extremities grunting (Bad Bad Sign)-seen in infants during exhalation signaling imminent failure

Slide 56 :

Pediatric Respiratory Failure Altered mental status Pulse rises early then drops fast Bradycardia Hypotension Irregular breathing pattern

Slide 57 :

Pediatric Respiratory Failure Seesaw pattern-abdomen and chest move in different directions Limp appearance Head bobbing with each breath

Slide 58 :

Pediatric Problems Distinguish whether the airway problem is upper or lower

Slide 59 :

Pediatric Problems Stridor and crowing indicate upper airway obstruction Usually due to edema or foreign body obstruction Wheezing is sign of lower airway problem

Slide 60 :

Epiglottis Inflammation of the epiglottis History of sore throat, fever, stridor Child sits upright leaning forward, sits the neck out, drooling Life-threatening emergency Do not inspect the airway as bronchospasm may completely obstruct the airway

Slide 61 :

Croup Swelling of the larynx, trachea, and bronchi Sore throat and fever worse at night Seal-like cough Cool night air usually helps

Slide 62 :

Patient Care-Pediatrics Monitor airway and breathing constantly Nothing is more important than adequate airway care Ensure adequate breathing Intervene quickly and appropriately when necessary If in doubt-Treat as inadequate breathing

Slide 63 :

Patient Care-Pediatrics If pulse remains low or breathing inadequate re-evaluate airway, ventilations, O2 canister (empty), tubing (kinked) If chest does not rise or pulse does not return to normal, increase ventilation force after ensuring proper technique

Slide 64 :

Treatment Oxygen is a drug It must be administered correctly and monitored

Slide 65 :

MDI’s Metered dose inhalers Delivers a precise dose of medication each time canister is depressed

Slide 66 :

MDI’s Bronchodilators Albuterol- Proventil, Ventolin Atrovent Serevent Steroids Vanceril Aerobid

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