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SCCCNursing-Oxygenation
SCCCNursing-Oxygenation
70
Nursing
Undergraduate 2
09/26/2012

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Term
Oxygenation
Definition
  • OSCAR (oxygenation, safety, comfort, alimentation, rest & relaxation)
  • Maslow
  • Basic Life Support/CPR/CAB's
Term
Pulmonary System
Definition
Airways and Lungs
Term
Ventilation
Definition
Movement of air into/out of the lungs
Term
Respiration
Definition
-exchange of oxygen/carbon dioxide
-alveolar-capillary/capillary-cell membrane
Term
Factors Affecting the Adequacy of Ventilation
Definition
  • Respiratory Rate & Depth
  • Lung Compliance
  • Lung Elasticity (elastic recoil)
  • Airway Resistance
Term
The Cardiovascular System
Definition
  • Heart
  • Arteries
  • Veins
  • Capillaries
  • Coronary Arteries
  • Electric Conduction
Term
Terms Association with Oxygenation
Definition
  • Diffusion
  • Perfusion
  • Hypoxemia
  • Hypoxia
Term
Diffusion
Definition
movement of molecular gases from an area of high concentration to an area of low concentration
Term
Perfusion
Definition
amount of blood reaching tissues
Term
Hypoxemia
Definition
low oxygen in the blood
Term
Hypoxia
Definition
low oxygen in the tissues
Term
Factors Influencing Oxygenation
Definition
  • Stress
  • Allergic Reaction
  • Air Quality
  • Altitude
  • Lifestyle/Nutrition/Exercise
  • Medications
  • Temperature
Term
Factors Influencing Respiration in the Older Adult
Definition
  • Calcification of costal cartilage leads to diminshed expansion and recoil
  • Diminished cough reflex leading to difficulty expelling mucus or foreign material
  • Diminished ability to increase ventilation when oxygen demand increases
  • Fewer Cilia
  • Declining immune response
  • GERD (reflux)
Term
Factors Influencing Circulation in the Older Adult
Definition
  • Heart muscle loses contractile strength
  • Heart valves become thicker and more rigid
  • Increased vascular resistance
  • Dysrhythmias
Term
Pathophysiological Conditions
Definition
  • Respiratory Infections
    -upper tract (cold, flu)
    -lower tract (bronchitis, pneumonia, TB)
  • Pulmonary System Abnormalities
    -structural
    -airway inflammation and obstruction
    -alveolar-capillary membrane disorders
    -atelectasis (collapsed alveoli) 
Term
Pathophysiological Conditions cont.
Definition
  • Pulmonary Circulation Abnormalities
    -Thrombus (blood clot)/Embolus (moving blood clot - serious)
    -Edema
  • Clotting Disorders 
  • Central Nervous System Abnormalities
  • Neuromuscular Abnormalities
Term
Diseases Affecting Oxygenation - Cardiovascular
Definition
  • Hypertension
  • Congestive Heart Failure
  • Atherosclerosis
  • Peripheral Vascular Disease
  • Anemia
  • Dysrhythmias
    -Artieral Fibrilation (A-fib)
    -Heart Block 
Term
Diseases Affecting Oxygenation - Respiratory
Definition
  • Chronic Obstructive Pulmonary Disease (COPD)
    -Bronchitis
    -Emphysema
  • Asthma
  • Pneumonia 
Term
Obesity
Definition
  • Hypoventilation
  • Dyspnea or Shortness of Breath
  • Increased Risk for Infection (stasis of secretions)
  • Sleep Apnea - upper airway constriction when lying down
  • Increased risk for Artherosclerosis and Hypertension
Term
Benefits of Quitting Smoking (box 35-1)
Definition

■ Life expectancy increases.
■  Blood pressure and heart rate decrease.
■  Circulation to the extremities improves within 2
hours.
■  Carbon dioxide levels in the blood begin to drop within 4 hours.
■  Oxygen levels in the blood begin to improve within 8 hours.
■  Digestion improves.
●  Coughing, congestion, and shortness of breath decrease.
●  Overall energy increases.
●  Lungs increase ability to clean themselves, thereby reducing the risk of infection.
■  Risk of heart attack decreases and returns to that of a nonsmoker in 1 year.
■  Risk of lung and other cancers, stroke, and chronic obstructive lung disease decreases.

Term
Benefits of Quitting Smoking
Definition
  • Once a person stops smoking the body begins to repair the damage
  • Even long time smokers will benefit from stopping
  • Suggested Nursing Dx: Ineffective Health Maintenace
Term
Respiratory/History
Definition
  • History of lung disease?
  • History of frequent respiratory tract infections?
  • Allergies?
  • Dyspnea-on exertion? at rest? when speaking?
  • How many pillows do you use at night? c/o snoring?
  • cough - productive/non-productive?
  • smoke (1st and 2nd hand)
  • flu and pneumonia vaccine
  • occupational or environmental hazards
  • lifestyle
Term
Circulation/History
Definition
  • History of cardiac or lung disease/medications
  • chest pain/palpitations
  • shortness of breath
  • fatigue/syncope (dizziness)
  • edema
  • weight gain (unexplained & excessive - 1- 3 lbs in a day)
  • lifestyle
Term
Respiratory/Physical
Definition
  • TPR and B/P (vitals)
  • Breathing Patterns
  • Pain
  • Pulse Oximetry
  • Respiration Effort
  • Cough
  • Clubbing (change in nail shape, nail plate angle is 180° or more)
  • Diagnostics
  • Laboratory
  • Cytology
  • Radiology
  • Skin Tests
Term
Respiratory Effort
Definition
Observe for:
-Dyspnea
-Use of Accessory muscles
-Pursed Lips Breathing
-Barrel Chest
-Positioning
-Periods of Apnea
Ausculate
for:
-Adventitious Breath Sounds 
Term
Assess cough
Definition
  • Dry, Productive, Hacking
  • What are the other clinical findings?
  • Assess sputum color, amount, odor, presence of blood, time of day
  • Obtain samples
Term
Assessment: Pulse Oximetry
Definition
  • Oxygen Saturation (SaO2)
  • Measures light absorption by hemoglobin in the circulaitng red blood cells and calculates percentage of oxygenated hemoglobin.
  • Should be >94%
  • Monitoring can be intermittent or continuous
  • Usually placed on finger, but can also use toe, ear lobe
  • Movement, light, poor circulation and fingernail polish can affect
Term
Circulatory/Physical
Definition
  • TPR, B/P (vitals)
  • Apical Pulse (rate-regular or irregular, rhythm, murmurs)
  • Pulse Deficit (difference between apical and radial pulses)
  • Pallor/Cyanosis
Term
Circulatory/Physical - Extremities
Definition
  • Skin Integrity
  • Color
  • Temperature
  • Hair Distribution (no hair on limbs may mean poor circulation - not enough oxygen getting to cells so hair can grow)
  • Peripheral Pulses
  • Edema (if with no pulse in extremity, may mean clot)
  • Capillary Refill (if more than 3 seconds, problem w/circulation)
Term
Signs and Symptoms of Hypoxemia
Definition
  • Shortness of Breath
  • Anxiety
  • Tachypnea
  • Tachycardia
  • Pallor to cyanosis
  • Adventitious breath sounds
  • Confusion
Term
Complete Blood Count (CBC)
RBC, WBC, Platelets 
Definition
  • RBC count (varies with altitude)
    -Male: 4.7 to 6.1 million cells/mcL
    -Female: 4.2 to 5.4 million cells/mcL
  • WBC count
    -4,500 to 10,000 cells/mcL
    (higher may mean infection, lower may mean immunocompromised)
  • Platelets: 150,000 - 400,000/ mm3 
Term
Complete Blood Count (CBC)
Hematocrit
Definition
Hematocrit-% of RBC in blood
(varies with altitude) 
-Male: 40.7 - 50.3%
-Female: 36.1 - 44.3%
Term
Complete Blood Count (CBC)
Hemoglobin 
Definition

 

  • Hemoglobin (part of RBC that carries oxygen - low may indicate anemia)
    (varies with altitude)
    -Male: 13.8 - 17.2 gm/dL
    -Female: 12.1 - 15.1 gm/dL 
Term
Laboratory Tests
Definition
  • Tuberculin Skin Testing
  • Allergy Testing
  • Cytologic Studies: Sputum for Culture (what microorganism) and Sensitivity (what antibiotic and strength will be effective)
  • PT/PTT/INR (Coagulation)
  • Arterial Blood Gases (ABG's) - most accurate measurement of blood oxygenation (measures pressure of O2 gas in blood)
Term
Diagnostics/Oxygenation
Definition
  • Pulmonary Function Test
  • Spirometry (measures inhalation)
  • Peak Flow Monitoring (measures exhalation)
  • Radiologic Studies (chest x-ray, CAT scan)
  • Doppler studies
  • EKG (electrical activity of heart)
  • Echocardiogram (ultrasound of the heart)
Term
Nursing Diagnosis for Stressors r/t Respiration
Definition
  • Ineffective Breathing Pattern r/t pain
  • Ineffective Airway Clearance r/t ineffective cough
  • Impaired Gas Exchange r/t poor vascular circulation
  • Risk for Aspiration r/t ineffective swallow secondary to CVA
  • Activity Intolerance r/t build up of secretions in airways secondary to bronchitis
Term
Planning - Respiratory
Definition
  • Illness Prevention
  • Health Restoration
    -Facilitate airway
    -Maximize lung expansion
    -Clear secretions
    -Maximize oxygenation
  • Facilitate Coping 
Term
Goals - Respiratory
Definition
  • Patient will show no s/s respiratory distress such as shortness of breath while ambulating in hall
  • Patient will effectively expectorate secretions after one teaching session
  • Lung sounds will be clear to auscultation in all fields
  • Respiratory Rate will be between 16 and 20 breaths/minute by 1400
  • Oxygen Saturation will be between 95 and 100% on 2L, NC
  • Patient will demonstrate spontaneous respirations by tomorrow at noon (if person was on ventilator)
Term
Interventions - Respiratory
Definition
  • Decrease Anxiety/Pain
  • Position for maximum lung excursion
  • Incentive spirometry (inhalation)
  • Mobilizing Secretions
    -Deep breathing and coughing
    -Hydration
    -Chest Physiotherapy and Postural Drainage
  • Oxygen therapy (cannula, mask, humidified)
  • Suctioning
  • Aspiration Precautions
  • Medicate as ordered 
Term
Evaluation - Respiratory
Definition
  • Goal met: Patient ambulated to nurse's desk and back to room with no dyspnea. Oxygen saturation remained at 98%, respiratory rate 20 breaths/minute
  • Goal partially met: Patient effectively coughed up a large amount of yellow thick secretions after continuous verbal reminders
  • Goal not met: Rhonchi ausculated in Right Upper Lobe
  • Goal Partially Met: 100 community citizens arrived at clinic and received flu vaccine
  • Goal Met: Patient using incentive spirometer 10x every hour while awake
Term
Nursing Diagnosis for stressors r/t Circulation
Definition
  • Fatigue r/t decreased oxygen carrying capacity of the blood secondary to anemia a.e.b. Hbg 9.2, Hct 29
  • Ineffective Tissue Perfusion (cerebral) r/t hypoventilation as manifested by slurred speech and drowsiness, SaO2 of 91%
  • Activity Intolerance r/t abnormal heart rate (atrial fibrillation) a.e.b. patient becomes weak and SOB on exertion
Term
Promote Circulation - Promote Venous Return
Definition
  • Elevate legs
  • Ambulate or perform ROM
  • Apply TEDS or Compression Devices
Term
Promote Circulation - Prevent Clot Formation
Definition
  • Turn and reposition
  • Avoid prolonged flexion of hips, legs and knees
  • Hydrate
  • Encourage smoking cessation
  • Anticoagulant therapy (Lovenox/Heparin - injection, Coumadin - PO)

(Hydration good for most patients EXCEPT for CHF and renal failure)

Term
Chronic Obstructive Pulmonary Disease
Definition
  • A disorder usually associated with long-term smoking
  • Abnormal inflammatory response of the lungs to noxious particles or gases
  • Airflow limitation that is not fully reversible
  • Bronchitis (chronic): chronic productive cough
  • Empysema: permanent enlargement of the air spaces and destruction of lung walls. Increase residual volume/decreased chest compliance and elastic recoil
Term
Nursing Dx. Associated with COPD
Definition
  • Ineffective Airway Clearance r/t expiratory airflow obstruction, ineffective cough, and/or infection
  • Impaired Gas Exchange r/t alveolar hypoventilation
Term
Interventions COPD
Definition
  • Encourage slow, deep breathing and coughing to mobilize pulmonary secretions
  • Teach pursed lip breathing and orthopnic position
  • Postural drainage and Chest PT followed by deep breathing and coughing
  • Encourage fluids to liquefy secretions for easier expectoration
  • Administer broncodilators as ordered
  • Administer Oxygen as ordered
Term
Dx: Congestive Heart Failure
Definition
  • Decreased Cardiac Output r/t pump failure a.e.b. HR 110 O2 Sat 88% on room air, cyanotic nail beds
  • Risk for Activity Intolerance r/t cardiac insufficiency and pulmonary congestion as evidenced by rales ausculated in bilateral lower lungs
Term
Diagnosis: Pneumonia
Definition
  • Pneumonia is an acute inflammation of the lung tissue caused by a microbial organism
  • Ineffective airway clearance r/t retained secretions and excessive mucus as evidenced by ineffective cough, adventitious breath sounds, dyspnea
Term
Goals: Pneumonia
Definition
Short term:
-Return demonstrates deep breathing and coughing and use of Incentive Spirometer after one teaching session
-Has total intake of 1000 ml after 24 hrs
Long term:
-Able to expectorate lung secretions and reach (specify level) on Incentive Spirometer by day #2 of hospitalization
-Experiences normal breath sounds and an oxygen saturation of >94%
Term
Anemia
Definition
  • An abnormally low level of red blood cells, hemoglobin, or both
  • Causes of anemia include blood loss, abnormal destruction of red blood cells, and deficiencies of red blood cell production (iron deficiency, vitamin B12 deficiency, folic acid deficiency, aplastic anemia, and anemias of chronic disease and chemotherapy)
Term
Signs and Symptoms of Anemia
Definition
  • Angina (chest pain)
  • Fatigue/Weakness/General Malaise
  • Restlessness/Anxiety
  • Dyspnea
  • Nail beds, skin, mucous membranes and conjunctiva become pale
  • Tachycardia
  • Cold intolerance
Term
Nursing Diagnosis for Anemia
Definition
  • Ineffective Tissue Perfusion
  • Activity Intolerance
  • Imbalanced Nutrition, Less than Body Requirements
Term
Nursing Interventions/Iron Deficiency Anemia
Definition
  • Assist with ambulation and activities
  • Encourage foods that are high in iron such as red meats, eggs, whole grains, green leafy vegetables, legumes, cooking w/iron cookware
  • Provide oxygen as needed
  • Administer Iron Supplementation as ordered
  • Monitor laboratory results (to see if interventions are working)
Term
O2 Supplementation - Nasal cannula
Definition
Flow rate/%O2: 1 L/min - 6 L/min, 24% - 44%, but % depends on how much the patient breathes in
Nursing Implications: check for skin break down (ears, nose, face), humidify to lessen dryness of nasal mucosa
Indications: when patient needs minimal O2 support
Disadvantages: does not work well if patient is a mouth breather
Term
O2 Supplementation - Simple Mask
Definition
Flow rate/%O2: 5 - 10 L/min, 40% - 60%
Nursing Implications: place face mask securely over mouth and nose
Indications: when patient has higher O2 needs than use of NC would provide
Disadvantages: uncomfortable, talking muffled, must remove to eat & drink, becomes hot
Term
O2 Supplementation - Partial Rebreathing Mask
Definition
Flow rate/%O2: 6 - 15 L/min, 50% - 90%
Nursing Implications: make sure bag does not collapse during inhalation
Indications: when patient may need to rebreathe air
Disadvantages: uncomfortable, talking muffled, must remove to eat & drink, becomes hot
Term
O2 Supplementation -Non-rebreathing mask
Definition
Flow rate/%O2: 6 - 15 L/min, 70% - 100%
Nursing Implications: make sure bag does not collapse during inhalation, be sure the mask fits snugly so the patient will not breathe room air
Indications: when patient needs extremely high concentrations of O2
Disadvantages: uncomfortable, talking muffled, must remove to eat & drink, becomes hot
Term
O2 Supplementation - Venturi Mask
Definition
%O2: 24% - 50%, flow rate controlled by color coded caps
Nursing Implications: ensure flow rate is set at the rate specified
Indications: when patient needs a more precise FiO2 to be delivered
Disadvantages: uncomfortable, talking muffled, must remove to eat & drink, becomes hot
Term
CPAP
Definition
  • Continuous Positive Airway Pressure
  • Pressure keeps airways open during inspiration when muscles collapse
  • Used most often with sleep apnea (also with premature infants)
  • BiPAP uses two levels of pressure, one for inspiration and another for expiration
Term
Incentive Spirometer
Definition
  • Measures inhalations
  • Useful to teach patients to deep breath and cough
  • Used for patients who are at high risk for atelectasis or pneumonia
Term
Rhonchi
Definition
 low-pitched, continuous gurgling sounds
caused by secretions in the large airways. They often
clear with coughing. (Bronchitis, Emphysema, Narrowed airways, Fibrotic lungs)
Term
Crackles
Definition
 Caused by air bubbling through 
moisture in the alveoli. Bubbling, crackling, popping. Soft, high-pitched, and very brief sounds, usually heard during inspiration. (Pneumonia, Congestive heart failure, Bronchitis, Emphysema)
Term
Stridor
Definition
Partial upper airway obstruction or tracheal or laryngeal
spasm. High-pitched, continuous honking sounds heard throughout the respiratory cycle but most
prominent on inspiration.  (Acute respiratory distress,
Foreign body in airway, Epiglottitis)
Term
Stertor
Definition
 labored breathing that produces a
snoring sound.
Term
Wheezes
Definition
Narrowing of small airways by spasm, inflammation, mucus, or tumor. High-pitched musical or squeaking sounds heard during inspiration or expiration. (Acute asthma, Emphysema)
Term
Bronchial or tubular sounds
Definition
Heard over the trachea. Blowing, hollow sounds;
inspiration is shorter than expiration and lower-pitched.
Term
Bronchovesicular sounds
Definition
Heard over the 1st and 2nd ICS anteriorly and over the scapula posteriorly. Medium-pitched, medium intensity, blowing sounds; inspiration and expiration are equal length and similar pitch
Term
Vesicular sounds
Definition
Heard over the lung periphery. Soft, low-pitched sounds;
inspiration is longer, louder, and higher-pitched than expiration
Term
Friction Rub
Definition
Rubbing together of inflamed pleural layers. A high-pitched grating or rubbing sound that may be heard throughout the respiratory cycle. Loudest over lower lateral anterior surface. (Pleuritis)
Term
Grunting
Definition
Retention of air in the lungs. A high-pitched tubular sound
heard on expiration. (Emphysema)
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