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Chapter 49 Care of the Patient with a Respiratory Disorder Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Overview of Anatomy and Physiology • External respiration Exchange of oxygen and carbon dioxide between the lung and the environment • Internal respiration Exchange of oxygen and carbon dioxide at the cellular level Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 2 Overview of Anatomy and Physiology • Upper respiratory tract Nose Pharynx Larynx Trachea • Lower respiratory tract Bronchial tree • Bronchioles, alveolar ducts, alveoli Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 3 Overview of Anatomy and Physiology • Mechanics of breathing Thoracic cavity • Lungs Visceral pleura and parietal pleura • Respiratory movements and ranges Rhythmic movements of the chest walls, ribs, and muscles allow air to be inhaled and exhaled • Regulation of respiration Nervous control—medulla oblongata and pons of the brain; chemoreceptors—in the carotid and aorta Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 4 Assessment of the Respiratory System • Subjective data Shortness of breath, dyspnea, cough • Objective data Expression, chest movement, and respirations Respiratory distress, wheezes, or orthopnea Adventitious breath sounds • • • • Sibilant wheezes Sonorous wheezes Crackles Pleural friction rubs Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 5 Laboratory and Diagnostic Examinations • • • • • • • • • • • Chest roentgenogram Computed tomography (CT) Pulmonary function testing Mediastinoscopy Laryngoscopy Bronchoscopy Sputum specimen Cytological studies Thoracentesis Arterial blood gases Pulse oximetry Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 6 Figure 49-7 (A, Courtesy of Olympus America, Melville, New York. B, from Meduri, G.U., et al. [1991]. Protected bronchoalveolar lavage, American Review of Respiratory Disease, 143:855, official journal of the American Thoracic Society, © American Lung Association.) Fiberoptic bronchoscope. Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 7 Figure 49-8 (From Lewis, S.M., Heitkemper, M.M., Dirksen, S.R. [2007]. Medical-surgical nursing: assessment and management of clinical problems. [7th ed.]. St. Louis: Mosby.) Thoracentesis. Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 8 Figure 49-9 (From Potter, P.A., Perry, A.G. [2009]. Fundamentals of nursing. [7th ed.]. St. Louis: Mosby.) Portable pulse oximeter with spring-tension digit probe displays oxygen saturation and pulse rate. Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 9 Disorders of the Upper Airway • Epistaxis Etiology/pathophysiology • Bleeding from the nose • Congestion of the nasal membranes leading to capillary rupture • Primary or secondary Clinical manifestations/assessment • Bright red bleeding from one or both nostrils • Can lose as much as 1 liter per hour Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 10 Disorders of the Upper Airway • Epistaxis (continued) Medical management/nursing interventions • • • • • • Sitting position, leaning forward Direct pressure by pinching nose Ice compresses to nose Nasal packing Cautery Balloon tamponade Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 11 Disorders of the Upper Airway • Deviated septum and nasal polyps Etiology/pathophysiology • Congenital abnormality • Injury • Nasal septum deviates from the midline and can cause a partial obstruction • Nasal polyps are tissue growths usually due to prolonged inflammation Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 12 Disorders of the Upper Airway • Deviated septum and nasal polyps (continued) Clinical manifestations/assessment • Stertorous respirations (snoring) • Dyspnea • Postnasal drip Medical management/nursing interventions • Pharmacological management Corticosteroids, antihistamines, antibiotics, analgesics • Nasoseptoplasty • Nasal polypectomy Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 13 Disorders of the Upper Airway • Allergic rhinitis and allergic conjunctivitis (hay fever) Etiology/pathophysiology • Antigen/antibody reactions in the nasal membranes, nasopharynx, and conjunctiva due to allergens Diagnostic testing Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 14 Disorders of the Upper Airway • Allergic rhinitis and allergic conjunctivitis (continued) Clinical manifestations/assessment • • • • • • • • • Edema Photophobia Excessive tearing Blurring of vision Pruritus Excessive nasal secretions and/or congestion Sneezing Cough Headache Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 15 Disorders of the Upper Airway • Allergic rhinitis and allergic conjunctivitis (continued) Diagnostic testing Medical management/nursing interventions • Pharmacological management Antihistamines Decongestants Corticosteroids Analgesics • Avoid allergen • Hot packs over facial sinuses Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 16 Figure 49-3 (From Thibodeau, G.A., Patton, K.T. [2008]. Structure and function of the body. [13th ed.]. St. Louis: Mosby.) Projections of paranasal sinuses and oral nasal cavities on the skull and face. Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 17 Disorders of the Upper Airway • Obstructive sleep apnea (OSA) Etiology and pathophysiology • Characterized by partial or complete upper airway obstruction during sleep • Apnea refers to the cessation of spontaneous respirations • Hypopnea is the presence of unusually shallow or slow respirations Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 18 Disorders of the Upper Airway • Obstructive sleep apnea (OSA) Clinical manifestations • • • • • • • • Frequent awakening at night Insomnia Excessive daytime fatigue Witnessed apneic episodes Loud snoring Hypercapnia Personality changes Irritability Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 19 Disorders of the Upper Airway • Obstructive sleep apnea (continued) Complications Diagnostic tests Medical management/nursing interventions • • • • • • Avoid sedatives Avoid alcoholic beverages Support groups Oral appliances nCPAP Surgery Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 20 Disorders of the Upper Airway • Upper airway obstruction Etiology and pathophysiology • Precipitated by a recent respiratory event • Common airway obstructions Choking on food Dentures Aspiration of vomitus or secretions The tongue Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 21 Disorders of the Upper Airway • Upper airway obstruction (continued) Clinical manifestations/assessment • • • • Stertorous respirations Altered respiratory rate and character; apneic periods Hypoxia; cyanosis Wheezing; stridor Medical management/nursing interventions • Open the airway • Remove obstruction • Artificial airway; tracheostomy Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 22 Disorders of the Upper Airway • Cancer of the larynx Etiology/pathophysiology • • • • • Squamous cell carcinoma Heavy smoking and alcohol use Chronic laryngitis Vocal abuse Family history Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 23 Disorders of the Upper Airway • Cancer of the larynx (continued) Clinical manifestations/assessment • • • • Progressive or persistent hoarseness Pain radiating to the ear Difficulty swallowing Hemoptysis Medical management/nursing interventions • Radiation • Surgery Partial or total laryngectomy Radical neck dissection Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 24 Respiratory Infections • Acute rhinitis (common cold) Etiology/pathophysiology • Inflammation of the mucous membranes of the nose and accessory sinuses • Virus(es) Clinical manifestations/assessment • • • • Thin, serous nasal exudate Productive cough Sore throat Fever Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 25 Respiratory Infections • Acute rhinitis (common cold) (continued) Medical management/nursing interventions • Pharmacological management Analgesic Antipyretic Cough suppressant Expectorant Antibiotic (if infection present) • No specific treatment • Encourage fluids Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 26 Respiratory Infections • Acute follicular tonsillitis Etiology/pathophysiology • Inflammation of the tonsils • Bacterial or viral infection Clinical manifestations/assessment • • • • • Enlarged, tender, cervical lymph nodes Sore throat Fever; chills Enlarged, purulent tonsils Elevated WBC Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 27 Respiratory Infections • Acute follicular tonsillitis (continued) Medical management/nursing interventions • Pharmacological management Antibiotics; analgesics; antipyretics • Warm saline gargles • Tonsillectomy and adenoidectomy Postoperative o Assess for excessive bleeding o Ice-cold liquids—ice cream o Ice collar o Avoid coughing, sneezing, or vigorous nose blowing Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 28 Respiratory Infections • Laryngitis Etiology/pathophysiology • Inflammation of the larynx due to virus or bacteria • May cause severe respiratory distress in children under 5 years old Clinical manifestations/assessment • • • • Hoarseness Voice loss Scratchy and irritated throat Persistent cough Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 29 Respiratory Infections • Laryngitis (continued) Medical management/nursing interventions • Pharmacological management Analgesics Antipyretics Antitussives Antibiotics—bacterial • Viral—no specific treatment, supportive care • Warm or cool mist vaporizer • Limit use of voice Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 30 Respiratory Infections • Pharyngitis Etiology/pathophysiology • • • • • Inflammation of the pharynx Chronic or acute Frequently accompanies the common cold Viral, most common Bacterial Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 31 Respiratory Infections • Pharyngitis (continued) Clinical manifestations/assessment • • • • • Dry cough Tender tonsils Enlarged cervical lymph glands Red, sore throat Fever Medical management/nursing interventions • Pharmacological management Antibiotics; analgesics; antipyretics • Warm or cool mist vaporizer Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 32 Respiratory Infections • Sinusitis Etiology/pathophysiology • Inflammation of the sinuses • Usually begins with an upper respiratory infection; viral or bacterial Clinical manifestations/assessment • • • • • Constant, severe headache Pain and tenderness in involved sinus region Purulent exudate Malaise Fever Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 33 Respiratory Infections • Sinusitis (continued) Medical management/nursing interventions • Pharmacological management • • • • Antibiotics Analgesics Antihistamines Vasoconstrictor nasal spray (Afrin) Warm mist vaporizer Warm, moist packs Nasal windows Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 34 Disorders of the Lower Airway • Acute bronchitis Etiology/pathophysiology • Inflammation of the trachea and bronchial tree • Usually secondary to upper respiratory infection • Exposure to inhaled irritants Clinical manifestations/assessment • • • • Productive cough; wheezes Dyspnea; chest pain Low-grade fever Malaise; headache Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 35 Disorders of the Lower Airway • Acute bronchitis (continued) Medical management/nursing interventions • Pharmacological management Cough suppressants Antitussives Antipyretics Bronchodilators Antibiotics • Vaporizer • Encourage fluids Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 36 Disorders of the Lower Airway • Legionnaires’ disease Etiology/pathophysiology • • • • Legionella pneumophila Thrives in water reservoirs Causes life-threatening pneumonia Leads to respiratory failure, renal failure, bacteremic shock, and ultimately death Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 37 Disorders of the Lower Airway • Legionnaires’ disease (continued) Clinical manifestations/assessment • • • • • • • • Elevated temperature Headache Nonproductive cough Difficult and rapid respirations Crackles or wheezes Tachycardia Signs of shock Hematuria Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 38 Disorders of the Lower Airway • Legionnaires’ disease (continued) Medical management/nursing interventions • Pharmacological management Antibiotics Antipyretics Vasopressors • Oxygen • Mechanical ventilation, if necessary • IV therapy Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 39 Disorders of the Lower Airway • Severe Acute Respiratory Syndrome (SARS) Etiology/pathophysiology • • • • Infection caused by coronavirus Spread by close contact between people Airborne May be spread by touching contaminated objects Clinical manifestations/assessment • • • • Temperature Headache Muscle aches Mild respiratory symptoms Dry cough and SOB Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 40 Disorders of the Lower Airway • Adult respiratory distress syndrome (continued) Diagnostic tests • Chest radiograph • Serum antibody testing • Nasopharyngeal and oropharyngeal swabs Medical management/nursing interventions • Pharmacological management Antibiotics Antiviral medications • Respiratory isolation • Oxygen Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 41 Disorders of the Lower Airway • Anthrax Etiology/pathophysiology • Bacillus anthracis • Spread by direct contact with bacteria or spores • Three types: Cutaneous, GI, inhalational Clinical manifestations/assessment • Cold or flu-like symptoms • Hemorrhage, tissue necrosis, and lymphedema Medical management • Antibiotics Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 42 Disorders of the Lower Airway • Tuberculosis Etiology/pathophysiology • Inhalation of tubercle bacillus (Mycobacterium tuberculosis) • Infection versus active disease • Presumptive diagnosis Mantoux tuberculin skin test Chest x-ray film Acid-fast bacilli smear 3 • Confirmed diagnosis Sputum culture; positive for TB bacilli Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 43 Disorders of the Lower Airway • Tuberculosis (continued) Clinical manifestations/assessment • • • • Fever Weight loss; weakness Productive cough; hemoptysis Chills; night sweats Medical management/nursing interventions • Tuberculosis isolation (acid-fast bacilli [AFB]) • Multiple medications to which the organisms are susceptible Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 44 Disorders of the Lower Airway • Pneumonia Etiology/pathophysiology • Inflammatory process of the bronchioles and the alveolar spaces due to infection • Bacteria, viruses, mycoplasma, fungi, and parasites Clinical manifestations/assessment • • • • Productive cough Severe chills; elevated temperature Increased heart rate and respiratory rate Dyspnea Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 45 Disorders of the Lower Airway • Pneumonia (continued) Medical management/nursing interventions • Pharmacological management • • • • Antibiotics Analgesics Expectorants Bronchodilators Oxygen Chest percussion and postural drainage Encourage to cough and deep-breathe Humidifier or nebulizer Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 46 Disorders of the Lower Airway • Pleurisy Etiology/pathophysiology • Inflammation of the visceral and parietal pleura • Bacterial or viral Clinical manifestations/assessment • • • • • Sharp inspiratory pain Dyspnea Cough Elevated temperature Pleural friction rub Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 47 Disorders of the Lower Airway • Pleurisy (continued) Medical management/nursing interventions • Pharmacological management Antibiotics Analgesics Antipyretics • Oxygen • Anesthetic block for intercostal nerves Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 48 Disorders of the Lower Airway • Pleural effusion/empyema Etiology/pathophysiology • Pleural effusion • Accumulation of fluid in the pleural space • Empyema—infection Clinical manifestations/assessment • • • • Dyspnea Air hunger Respiratory distress Fever Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 49 Disorders of the Lower Airway • Pleural effusion/empyema (continued) Medical management/nursing interventions • • • • Thoracentesis Chest tube with closed water-seal drainage system Antibiotics Cough and deep-breathe Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 50 Disorders of the Lower Airway • Atelectasis Etiology/pathophysiology • Collapse of lung tissue due to occlusion of air to a portion of the lung Clinical manifestations/assessment • • • • • Dyspnea; tachypnea Pleural friction rub; crackles Restlessness Elevated temperature Decreased breath sounds Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 51 Disorders of the Lower Airway • Atelectasis (continued) Medical management/nursing interventions • Pharmacological management Bronchodilators Antibiotics Mucolytic agents Analgesics • Cough and deep-breathe • Early ambulation • Respiratory treatments Incentive spirometry; intermittent positive-pressure breathing (IPPB) Oxygen Chest percussion and postural drainage • Chest tube Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 52 Disorders of the Lower Airway • Pneumothorax Etiology/pathophysiology • A collection of air or gas in the pleural space, causing the lung to collapse Clinical manifestations/assessment • • • • • Decreased breath sounds Sudden, sharp chest pain with dyspnea Diaphoresis; tachycardia; tachypnea No chest movement on affected side Sucking chest wound Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 53 Figure 49-13 (From Wilson, S., Thompson, J. [1991]. Respiratory disorders, Mosby’s clinical nursing series. St. Louis: Mosby.) Pneumothorax (complete collapse of the right lung). Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 54 Disorders of the Lower Airway • Pneumothorax (continued) Medical management/nursing interventions • • • • Chest tube to water-seal drainage system Oxygen Analgesics Encourage fluids Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 55 Disorders of the Lower Airway • Lung cancer Etiology/pathophysiology • Primary tumor or metastasis • Small-cell, non–small-cell, squamous cell, and large-cell carcinoma Clinical manifestations/assessment • • • • Hemoptysis Dyspnea; wheezing Fever; chills Pleural effusion Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 56 Disorders of the Lower Airway • Lung cancer (continued) Medical management/nursing interventions • Surgery Most are not diagnosed early enough for curative surgical intervention Segmental resection Lobectomy Pneumonectomy • Radiation • Chemotherapy Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 57 Disorders of the Lower Airway • Pulmonary edema Etiology/pathophysiology • Accumulation of serous fluid in interstitial tissue and alveoli Clinical manifestations/assessment • • • • • • Dyspnea; cyanosis Tachypnea; tachycardia Pink or blood-tinged, frothy sputum Restlessness; agitation Wheezing; crackles Decreased urinary output; sudden weight gain Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 58 Disorders of the Lower Airway • Pulmonary edema (continued) Medical management/nursing interventions • Pharmacological management • • • • Diuretics Narcotic analgesics Nipride Oxygen Mechanical ventilation, if necessary Strict I&O; daily weight Low-sodium diet Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 59 Disorders of the Lower Airway • Pulmonary embolism Etiology/pathophysiology • Foreign substance in the pulmonary artery Blood clot, fat, air, or amniotic fluid Clinical manifestations/assessment • • • • • Sudden, unexplained dyspnea, tachypnea Hemoptysis Chest pain Elevated temperature Increased WBCs Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 60 Disorders of the Lower Airway • Pulmonary embolism (continued) Medical management/nursing interventions • Pharmacological management Anticoagulants Fibrinolytic agents • Oxygen • HOB up 30 degrees Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 61 Disorders of the Lower Airway • Acute respiratory distress syndrome (ARDS) Etiology and pathophysiology • Results from direct or indirect pulmonary injury • Alveolar capillary membranes are altered resulting increased permeability creating pulmonary edema and hypoxia Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 62 Disorders of the Lower Airway • Acute respiratory distress syndrome (continued) Clinical manifestations • • • • • Respiratory distress Changes in level of consciousness Tachycardia Hypotension Decreased urinary output Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 63 Disorders of the Lower Airway • Acute respiratory distress syndrome (continued) Medical management/nursing interventions • Pharmacological management Corticosteroids Antibiotics Vasodilators Bronchodilators Mucolytics Diuretics Morphine sulfate Neurologic blocking agents Cardiotonic glycosides (digoxin) Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 64 Disorders of the Lower Airway • Acute respiratory distress syndrome (continued) Medical management/nursing interventions (continued) • Oxygen • Position changes • Close assessment of vital signs Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 65 Chronic Obstructive Pulmonary Disease (COPD) • Emphysema Etiology/pathophysiology • The bronchi, bronchioles, and alveoli become inflamed as a result of chronic irritation • Air becomes trapped in the alveoli during expiration, causing alveolar distention, rupture, and scar tissue Complication • Cor pulmonale Right-sided congestive heart failure due to pulmonary hypertension Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 66 Figure 49-14 (From Lewis, S.M., Collier, I., & Heitkemper, M.M. [1996]. Medical-surgical nursing: assessment and management of clinical problems. [4th ed.]. St. Louis: Mosby.) Disorders of the airways in patients with chronic bronchitis, asthma, and emphysema. Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 67 Chronic Obstructive Pulmonary Disease (COPD) • Emphysema (continued) Clinical manifestations/assessment • • • • • • Dyspnea on exertion Sputum Barrel chest Chronic weight loss Emaciation Clubbing of fingers Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 68 Figure 49-16 Barrel chest. Note increase in AP diameter. Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 69 Chronic Obstructive Pulmonary Disease (COPD) • Emphysema (continued) Medical management/nursing interventions • Pharmacological management • • • • • Bronchodilators; corticosteroids; antibiotics; diuretics Oxygen (low-flow) Chest physiotherapy Humidifier Pursed-lip breathing High-protein, high-calorie diet Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 70 Chronic Obstructive Pulmonary Disease (COPD) • Chronic bronchitis Etiology/pathophysiology • Hypertrophy of mucous glands causes hypersecretion and alters cilia function • Increased airway resistance causes bronchospasm Clinical manifestations/assessment • • • • Productive cough Dyspnea Use of accessory muscles to breathe Wheezing Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 71 Chronic Obstructive Pulmonary Disease (COPD) • Chronic bronchitis (continued) Medical management/nursing interventions • Pharmacological management Bronchodilators Mucolytics Antibiotics • Oxygen (low-flow) • Pursed-lip breathing Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 72 Chronic Obstructive Pulmonary Disease (COPD) • Asthma Etiology/pathophysiology • • • • Narrowing of the airways due to various stimuli Extrinsic or intrinsic factors Influenced by secondary factors Antigen-antibody reaction Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 73 Chronic Obstructive Pulmonary Disease (COPD) • Asthma (continued) Clinical manifestations/assessment • Mild asthma Dyspnea on exertion Wheezing • Acute asthma attack Tachypnea Expiratory wheezing; productive cough Use of accessory muscles; nasal flaring Cyanosis Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 74 Chronic Obstructive Pulmonary Disease (COPD) • Asthma (continued) Medical management/nursing interventions • Maintenance therapy Serevent inhalant, prophylactic Corticosteroid inhalant Avoid allergens • Acute or rescue therapy Proventil inhalant; aminophylline IV Corticosteroid and epinephrine oral or subcutaneous Oxygen Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 75 Chronic Obstructive Pulmonary Disease (COPD) • Bronchiectasis Etiology/pathophysiology • Gradual, irreversible process that involves chronic dilation of bronchi resulting in loss of elasticity Clinical manifestations/assessment • • • • Dyspnea; coughing; wheezes and crackles Cyanosis; clubbing of fingers Fatigue; weakness Loss of appetite Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 76 Chronic Obstructive Pulmonary Disease (COPD) • Bronchiectasis (continued) Medical management/nursing interventions • Pharmacological management • • • • • Mucolytic agents Antibiotics Bronchodilators Oxygen (low-flow) Chest physiotherapy Hydration Cool mist vaporizer Surgery: Lobectomy Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 77 Nursing Process • Nursing diagnoses Airway clearance, ineffective Breathing pattern, ineffective Gas exchange, impaired Anxiety Activity intolerance Nutrition, imbalanced: less than body requirements Mosby items and derived items © 2011, 2006, 2003, 1999, 1995, 1991 by Mosby, Inc., an affiliate of Elsevier Inc. Slide 78