Oxygen Therapy and Delivery Devices
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Questions and Answers

What is the primary goal of oxygen therapy?

  • To treat and prevent the effects of hypoxia. (correct)
  • To increase the patient's heart rate
  • To reduce the risk of infection
  • To increase blood pressure
  • Which type of oxygen delivery device is most suitable for a patient with facial trauma?

  • Tracheostomy collar
  • Venturi mask
  • Face tent (correct)
  • Nonrebreather mask
  • Which of the following conditions typically indicates the need for oxygen therapy?

  • Low blood oxygen saturation (SaO2 < 90%) (correct)
  • Low blood pressure
  • Increased red blood cell count
  • High blood sugar
  • What is the primary reason why the Venturi mask is the most frequently used high-flow delivery device?

    <p>It provides the most accurate oxygen concentration. (D)</p> Signup and view all the answers

    What is the typical range for PaO2 in a healthy individual?

    <p>80-95 mmHg (B)</p> Signup and view all the answers

    Which of the following oxygen delivery devices provides the lowest oxygen concentration?

    <p>Nasal cannula (B)</p> Signup and view all the answers

    Which oxygen delivery device is specifically designed for patients who have undergone upper airway surgery?

    <p>Face tent (C)</p> Signup and view all the answers

    What type of oxygen delivery device is typically used for patients with COPD who require low levels of oxygen?

    <p>Nasal cannula (B)</p> Signup and view all the answers

    What is the purpose of the reservoir bag on a nonrebreather mask?

    <p>To prevent the exhalation of carbon dioxide. (B)</p> Signup and view all the answers

    Which of the following oxygen delivery devices is suitable for patients who require a moderate amount of oxygen?

    <p>Simple face mask (A)</p> Signup and view all the answers

    What is the primary advantage of using a high-flow nasal cannula?

    <p>It provides heated and humidified oxygen. (A)</p> Signup and view all the answers

    Which oxygen delivery device is most appropriate for a patient with a chronic lung disorder who requires accurate oxygen concentration during inspiration?

    <p>Venturi mask (A)</p> Signup and view all the answers

    When administering oxygen therapy, which of the following factors should be considered?

    <p>The patient's respiratory status and needs (B)</p> Signup and view all the answers

    What is the purpose of the T-piece adapter when weaning a patient from a mechanical ventilator?

    <p>To allow for the gradual reduction of ventilator support. (D)</p> Signup and view all the answers

    What is a potential concern associated with the use of a nasal cannula?

    <p>It can lead to skin breakdown and dry mucous membranes (C)</p> Signup and view all the answers

    What is the primary concern when using a nonrebreather mask on a patient with facial injury?

    <p>It can cause discomfort or pain. (B)</p> Signup and view all the answers

    What is the primary cause of chronic respiratory conditions?

    <p>Smoking (A)</p> Signup and view all the answers

    Which symptom is specifically characterized by a bluish skin tone due to low oxygen levels?

    <p>Cyanosis (D)</p> Signup and view all the answers

    What is considered the most important treatment for chronic respiratory conditions?

    <p>Smoking cessation (C)</p> Signup and view all the answers

    Which diagnostic method is used to evaluate the function of the lungs?

    <p>Pulmonary function tests (A)</p> Signup and view all the answers

    What complication may arise from chronic respiratory conditions that affects the heart?

    <p>Right-sided heart failure (B)</p> Signup and view all the answers

    Which of the following is NOT a typical clinical manifestation of pneumonia?

    <p>Nausea and Vomiting (D)</p> Signup and view all the answers

    Which of the following is a priority nursing intervention for a patient with pneumonia?

    <p>Monitoring for sepsis (C)</p> Signup and view all the answers

    Which of the following is a common clinical manifestation of influenza?

    <p>Severe nasal congestion (D)</p> Signup and view all the answers

    What is the primary way influenza is spread?

    <p>Aerosolization of droplets (B)</p> Signup and view all the answers

    Which of the following is NOT a key risk factor for developing pneumonia?

    <p>Anemia (D)</p> Signup and view all the answers

    What is a characteristic clinical manifestation of tuberculosis?

    <p>Night sweats (B)</p> Signup and view all the answers

    Which of the following is a crucial part of tuberculosis treatment?

    <p>Antibiotics (B)</p> Signup and view all the answers

    What is the primary underlying cause of asthma?

    <p>Airway inflammation and bronchospasm (C)</p> Signup and view all the answers

    Which of the following is a common clinical manifestation of asthma?

    <p>Wheezing (D)</p> Signup and view all the answers

    What is the medical term for a severe and potentially life-threatening asthma attack?

    <p>Status asthmaticus (C)</p> Signup and view all the answers

    Which of the following is a typical clinical manifestation of COPD?

    <p>Barrel chest (B)</p> Signup and view all the answers

    Which of the following nursing interventions is prioritized for a patient with COPD?

    <p>Encouraging deep breathing exercises (C)</p> Signup and view all the answers

    What is a common medical intervention for managing asthma?

    <p>Bronchodilators (A)</p> Signup and view all the answers

    Which of the following is a key difference between chronic bronchitis and emphysema?

    <p>Chronic bronchitis primarily affects the bronchi, while emphysema affects the alveoli. (D)</p> Signup and view all the answers

    What is the underlying cause of chronic bronchitis?

    <p>Long-term exposure to irritants (D)</p> Signup and view all the answers

    Which of the following is a priority nursing diagnosis for a patient with COPD?

    <p>Impaired gas exchange (C)</p> Signup and view all the answers

    Flashcards

    Oxygen Therapy

    Treatment to address and prevent hypoxia by increasing oxygen supply.

    Hypoxia

    A condition of insufficient oxygen supply to tissues and organs.

    Indications for Oxygen Therapy

    Conditions that warrant the use of oxygen therapy, like PaO2 < 60 mmHg.

    PaO2 Levels

    Partial pressure of oxygen in arterial blood; normal is 80-95 mmHg.

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    Nasal Cannula

    A device delivering 24%-44% oxygen; low flow and comfortable.

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    Simple Face Mask

    A mask delivering 40%-60% oxygen; used for moderate needs.

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    Partial Rebreather Mask

    Delivers 50%-75% oxygen using a reservoir bag to stabilize patients quickly.

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    Contraindications of Oxygen Therapy

    Situations where oxygen therapy should be used cautiously, like chronic hypercapnia.

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    Nonrebreather mask

    A low flow delivery device providing 90% oxygen at 10 L/min with one-way valves to prevent CO2 rebreathing.

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    Venturi Mask

    A high flow delivery device providing 24%-60% oxygen at 2-15 L/min, known for its accurate oxygen concentration.

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    Aerosol Mask

    A high flow device that delivers humidified oxygen for patients with thick secretions or upper airway issues.

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    Tracheostomy collar

    High flow device that delivers humidified oxygen to tracheostomy patients.

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    T-piece Adapter

    Used for weaning patients from a ventilator while they still have an endotracheal tube.

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    Face tent

    High flow delivery device for patients with facial trauma, burns, or upper airway surgery.

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    High flow nasal cannula

    Delivers heated and humidified air up to 60 L/min using specialized equipment.

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    Influenza

    A highly contagious upper respiratory infection that spreads rapidly between people.

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    Aerosolization

    The process of creating small droplets through sneezing or coughing that can transmit influenza.

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    Flu Symptoms

    Rapid onset of fever, headache, sore throat, nasal congestion, cough, muscle aches, and fatigue.

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    Rapid Influenza Diagnostic Tests (RIDTs)

    Common method to quickly diagnose influenza using respiratory secretions.

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    Influenza Treatment

    Includes annual vaccination, handwashing, cough etiquette, and antiviral meds in severe cases.

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    Pneumonia Risk Factors

    Includes immunocompromised individuals, elderly, and those with chronic respiratory diseases.

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    Pneumonia Symptoms

    Key symptoms include fever, cough, breathlessness, chest pain, and fatigue.

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    Tuberculosis Risk Factors

    Individuals with immunocompromised state, such as those with HIV/AIDS, are at higher risk.

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    Tuberculosis Symptoms

    Common symptoms include fatigue, weight loss, night sweats, and can be asymptomatic.

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    Asthma Causes

    Characterized by airway inflammation leading to bronchospasm triggered by different factors.

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    Asthma Symptoms

    Signs include dyspnea, coughing, wheezing, and increased respiratory rate.

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    Status Asthmaticus

    A life-threatening situation with rapid onset, severe asthma and risk of respiratory failure.

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    COPD Definition

    Includes chronic bronchitis and emphysema, causing airflow obstruction and breathing difficulties.

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    Chronic Bronchitis

    Long-term inflammation of bronchi, leading to excessive mucus production and cough.

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    COPD Symptoms

    Symptoms include chronic low oxygen saturation, shortness of breath, productive cough, and barrel chest.

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    COPD Nursing Interventions

    Focus on deep breathing exercises, hydration, high-protein meals, and aspiration precautions.

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    Causes of Respiratory Issues

    Main factors causing respiratory problems include smoking, pollution, and infections.

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    Chronic Productive Cough

    A cough that lasts at least 3 months over 2 years with mucus production.

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    Diagnosis Techniques

    Methods used to diagnose lung diseases include X-rays and pulmonary tests.

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    Complications of Respiratory Disease

    Serious issues that can arise include respiratory failure and heart problems.

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    Prevention of Respiratory Issues

    Measures include avoiding smoking and vaccinations against infections.

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    Study Notes

    Oxygen Therapy

    • Initiated to treat and prevent hypoxia, a condition resulting from insufficient oxygen supply to cells, tissues, and organs.
    • Indications: PaO2 < 60 mmHg, SaO2 < 90%, fever, infection, anxiety, or anemia.
    • Contraindications: Generally no contraindications with appropriate assessment of respiratory disease and indications. Exercise extreme caution with patients who have chronic hypercapnia (high PaCO2).
    • Monitoring: Physical assessment, pulse oximetry, and arterial blood gas (ABG) analysis.
    • ABG values: pH: 7.35-7.45; PaCO2: 35-45 mmHg; HCO2: 22-26 mEq/L; PaO2: 80-95 mmHg.

    Oxygen Delivery Devices

    • Nasal cannula: Low flow device delivering 24%-44% oxygen (1-6 L/min). Most common, comfortable, and easy to use.
    • Simple face mask: Moderate flow device delivering 40%-60% oxygen (5-10 L/min). Suitable for short-term use and patient transportation.
    • Partial rebreather mask: Low flow device delivering 50%-75% oxygen (8-10 L/min). Reservoir bag stabilizes oxygen levels.
    • Nonrebreather mask: Low flow device delivering 90% oxygen (10 L/min). One-way valves prevent rebreathing of CO2.
    • Venturi mask: High flow device delivering 24%-60% oxygen (2-15 L/min). Delivers precise oxygen concentrations.
    • Aerosol mask: High flow device for patients needing humidified oxygen and thick secretions.
    • T-piece adapter: Used when weaning from a mechanical ventilator.
    • Face tent: High flow device for patients with facial trauma, burns, or upper airway surgery. Delivers up to 60 L/min.

    Alterations in Oxygenation

    • Influenza (Flu): Highly contagious viral infection spreading person-to-person via aerosolized droplets. Symptoms include rapid onset, fever, headache, sore throat, nasal congestion, cough, myalgia and fatigue.
    • Diagnosis typically involves rapid influenza diagnostic tests (RIDTs) and/or sample respiratory secretion testing. Treatment includes annual vaccination, hand hygiene, avoiding secondary smoke and vaccination for pneumonia. Risk factors include older adults (65+), immunocompromised individuals (HIV/AIDS), and COPD patients.
    • Pneumonia: In extreme cases, influenza can lead to pneumonia. Risk factors include immunocompromised individuals, HIV/AIDS, COPD and elderly adults.

    Chronic Respiratory Diseases

    • Manifestations include fever, chills, tachypnea/ tachycardia, dyspnea, cough (productive and nonreproductive), chest pain, fatigue and rusty sputum, malaise and respiratory distress.
    • Interventions involve prioritizing antibiotics, bronchodilators, increased fluid intake, elevated position, incentive spirometer, monitoring for sepsis, pneumonia, and infection control. Prophylactic measures such as vaccinations and infection control like hand hygiene should be prioritized.

    Tuberculosis

    • Tuberculosis (TB) is a potentially serious infectious bacterial disease, frequently affecting the lungs. Symptoms include chronic productive cough, excess mucus production, shortness of breath, wheezing, cyanosis, and frequent respiratory infections.
    • Diagnosis can include chest X-rays, pulmonary function tests (PFTs), arterial blood gas (ABG) testing, sputum cultures, and skin tests.
    • Management often involves smoking cessation, bronchodilators, corticosteroid use and oxygen therapy according to severity.

    Asthma

    • Airway inflammation leading to bronchospasm and shortness of breath, chest tightness, and coughing.
    • Clinical manifestations may include dyspnea, chest tightness, coughing (dry cough), wheezing, and increased respiratory rate.
    • Treatment usually involves corticosteroids, bronchodilators, and anticholinergics. Assessment includes patient history, pulmonary function tests (PFTs), chest x-rays, and ABG testing.
    • Status asthmaticus: A severe form of asthma characterized by rapid onset and potential for acute ventilatory failure.

    COPD

    • A group of lung diseases including Chronic Bronchitis and Emphysema. Symptoms include chronic low oxygen saturation, shortness of breath, use of accessory muscles, anterior-posterior diameter change and productive cough. Management includes high calorie high protein diet, good hydration, interventions for deep breathing and coughing, and medication/nursing interventions tailored to the specific condition.

    Additional Issues

    • Proton pump inhibitors end in "-zole"

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    Description

    This quiz covers the essential aspects of oxygen therapy, including indications, contraindications, and monitoring techniques. Additionally, it explores different oxygen delivery devices such as nasal cannulas and face masks. Test your knowledge on treatment for hypoxia and various oxygen therapy methods.

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