COPD: Diagnosis, Symptoms, and Management
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What specific measurement obtained from pulmonary function tests (PFTs) is a key indicator for diagnosing COPD?

  • Peak Expiratory Flow Rate (PEFR)
  • Amount of air exhaled in first second of FVC (FEV1)
  • Forced Vital Capacity (FVC)
  • Ratio of FEV1 to FVC (correct)

During pulmonary function testing using a spirometer, what patient data is entered into the computer to calculate predicted values?

  • Body Mass Index, waist circumference, and hip ratio.
  • Age, sex, height, and weight. (correct)
  • Medical history, current medications, and allergy list.
  • Blood pressure, cholesterol levels, and oxygen saturation.

In COPD, what is the primary physiological mechanism that leads to pulmonary hypertension?

  • Dilation of pulmonary capillaries caused by increased oxygen levels
  • Constriction of the pulmonary vessels in response to alveolar hypoxia. (correct)
  • Increased cardiac output due to heightened physical activity.
  • Reduced blood viscosity leading to increased blood flow.

How would you define an acute exacerbation of COPD (AECOPD)?

<p>A sustained worsening of COPD symptoms that lasts for 48 hours or longer. (D)</p> Signup and view all the answers

What is the underlying cause of cor pulmonale in patients with COPD?

<p>Hypertrophy of the right side of the heart resulting from pulmonary hypertension. (C)</p> Signup and view all the answers

Why is it clinically significant to differentiate between purulent and non-purulent exacerbations of COPD?

<p>To determine the need for antibiotic therapy. (B)</p> Signup and view all the answers

Chronic hypoxia in COPD stimulates erythropoiesis. What is the consequence of erythropoiesis?

<p>Polycythemia and increased viscosity of the blood. (C)</p> Signup and view all the answers

During pulmonary function testing, a patient with possible asthma is asked to exhale as hard and fast as possible. Which measurement would best aid in monitoring bronchoconstriction?

<p>Peak Expiratory Flow Rate (PEFR) (A)</p> Signup and view all the answers

What is the primary reason for teaching pursed-lip breathing to a client with COPD?

<p>To prolong the expiratory phase and prevent airway collapse. (A)</p> Signup and view all the answers

Why is it important for the nurse to teach a client with COPD to avoid central nervous system (CNS) depressants?

<p>CNS depressants can further suppress respiratory drive. (C)</p> Signup and view all the answers

A nurse is caring for a client with COPD who is experiencing confusion and a headache. Which of the following complications should the nurse suspect?

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

What is the rationale for encouraging a client with COPD to maintain an oral intake of 2-3 liters of fluid per day?

<p>To liquefy secretions and facilitate expectoration. (A)</p> Signup and view all the answers

Which position is most likely to maximize respiratory excursion for a client with COPD?

<p>High Fowler's with upper extremities supported. (D)</p> Signup and view all the answers

A client with COPD is having difficulty clearing thick secretions. Besides hydration, which intervention is most appropriate to promote effective airway clearance?

<p>Teaching effective coughing techniques. (C)</p> Signup and view all the answers

Why are high-protein, high-calorie diets recommended for clients with COPD?

<p>To promote weight gain and prevent muscle wasting. (B)</p> Signup and view all the answers

A nurse is selecting an oxygen delivery device for a client with COPD who is undergoing pulmonary rehabilitation, and needs supplemental oxygen during exercise. Which factor is most important to consider?

<p>The device's ability to meet the client's oxygen needs during activity without significantly impacting their mobility. (C)</p> Signup and view all the answers

A patient with pneumonia is exhibiting disorientation and confusion. Which of the following actions is MOST appropriate based on the content provided?

<p>Perform a lumbar puncture to rule out meningitis. (B)</p> Signup and view all the answers

In a patient with pneumonia, what is the MOST important reason for collecting a sputum culture prior to initiating antibiotic therapy?

<p>To identify the causative organism and its antibiotic sensitivities. (B)</p> Signup and view all the answers

A patient diagnosed with empyema secondary to pneumonia requires which combination of interventions for effective management?

<p>Antibiotic therapy and drainage of the pleural exudate. (A)</p> Signup and view all the answers

After starting antibiotic therapy for bacterial pneumonia, approximately how long should it take for a patient to show noticeable improvement in their signs and symptoms?

<p>48-72 hours (A)</p> Signup and view all the answers

Which of the following supportive measures is LEAST likely to be beneficial for a patient recovering from pneumonia?

<p>Strict Fluid Restriction to minimize pulmonary edema. (D)</p> Signup and view all the answers

A previously healthy adult develops a cough, fever, and muscle aches during flu season. They are diagnosed with influenza A. Which of the following medications might be considered, if appropriate?

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

Which of the following complications of pneumonia involves the spread of infection to the serous sac surrounding the heart?

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

A physician orders 'Empirical therapy' for a patient newly diagnosed with pneumonia. What does this term imply regarding the treatment approach?

<p>Treatment based on best clinical judgment and experience, prior to knowing the exact cause. (D)</p> Signup and view all the answers

A patient presents with a crackling sensation upon palpation of the chest wall. This finding is most consistent with which of the following conditions?

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

Following a traumatic chest injury, a patient develops a collection of blood in the pleural space. This condition is best described as:

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

A patient with pneumonia develops an accumulation of pus in the pleural space. This condition is known as:

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

A postoperative cardiac surgery patient is diagnosed with cardiac tamponade. This condition primarily impairs cardiac output by:

<p>Externally compressing the heart and reducing its ability to accept venous return. (B)</p> Signup and view all the answers

A patient with no underlying lung disease has a small amount of air in the pleural space. Generally, what percentage of pleural space occupation would likely result in minimal respiratory symptoms?

<p>Less than 10 percent. (B)</p> Signup and view all the answers

A patient with a chest tube is being monitored. Which assessment finding would MOST strongly suggest a reaccumulation of fluid on the affected side?

<p>Diminished breath sounds on the side with the chest tube. (A)</p> Signup and view all the answers

Which nursing intervention is MOST important in preventing pulmonary complications such as pneumonia in a client with a chest tube?

<p>Regular pain assessments and management. (A)</p> Signup and view all the answers

What is the primary purpose of teaching a patient how to splint their incision while coughing postoperatively?

<p>To reduce pain and provide support to the incision during coughing. (B)</p> Signup and view all the answers

A patient presents with a pleural effusion and progressive dyspnea. Which additional clinical manifestation is MOST likely associated with this condition?

<p>Pleuritic pain from the underlying disease. (A)</p> Signup and view all the answers

Following a chest tube insertion, a nurse observes continuous bubbling in the water-seal chamber of the drainage system. What is the MOST likely cause of this observation?

<p>A leak in the drainage system. (B)</p> Signup and view all the answers

A patient with a history of pneumonia develops an empyema. Besides antibiotics, what other treatment option is MOST likely required to address the empyema?

<p>Chest tube drainage. (A)</p> Signup and view all the answers

A patient with a pleural effusion is scheduled for a thoracentesis. What is the PRIMARY purpose of this procedure in the context of pleural effusion?

<p>To diagnose the cause and type of pleural effusion. (B)</p> Signup and view all the answers

In a chest drainage system, what does the fluctuation (oscillation) of fluid within the water-seal chamber typically indicate?

<p>Normal pressure changes during respiration. (D)</p> Signup and view all the answers

What pathological process defines a 'trapped lung' in the context of pleural effusions?

<p>Visceral pleura encased by a fibrous peel. (D)</p> Signup and view all the answers

A nurse is monitoring a patient with an empyema. Which assessment finding would be MOST indicative of this condition compared to a typical pleural effusion?

<p>Presence of purulent fluid. (C)</p> Signup and view all the answers

A patient has a chest tube connected to a drainage system. The physician orders a specific amount of suction to be applied. How does the nurse MOST accurately adjust the suction on a traditional chest drainage system?

<p>By adding sterile fluid to the suction control chamber to the prescribed level. (A)</p> Signup and view all the answers

A post-operative client with a new tracheostomy is exhibiting increased restlessness and a rising heart rate. Which of the following nursing actions is the highest priority?

<p>Assessing for potential complications such as hemorrhage or respiratory insufficiency. (D)</p> Signup and view all the answers

Which intervention is most important to include in the plan of care to prevent mucous plugging in a client with a tracheostomy?

<p>Providing humidified oxygen and maintaining adequate hydration. (B)</p> Signup and view all the answers

When providing routine tracheostomy care, the nurse observes that the inner cannula is only partially patent despite cleaning. What is the most appropriate next step?

<p>Replace the inner cannula with a new, clean one. (B)</p> Signup and view all the answers

A client is being weaned from a tracheostomy tube. Which of the following assessment findings would indicate the client is experiencing respiratory distress?

<p>Use of accessory muscles and abnormal skin color. (B)</p> Signup and view all the answers

A nurse is preparing to perform tracheostomy care on a client. Which supply is most critical to have readily available at the bedside?

<p>A spare tracheostomy tube of the same size and one size smaller. (A)</p> Signup and view all the answers

The physician orders a dressing change to the tracheostomy site using sterile technique, which of these steps is most important?

<p>Drying the skin around the tracheostomy site thoroughly after cleansing. (C)</p> Signup and view all the answers

A patient with a tracheostomy is being transferred from the ICU to a medical floor. Which of the following instructions is most important for the nurse on the medical floor to receive during report?

<p>The type and size of the tracheostomy tube and any specific care requirements. (A)</p> Signup and view all the answers

What is the primary rationale for performing routine tracheostomy care twice daily in Interior Health facilities?

<p>To prevent respiratory infections and skin breakdown at the site. (C)</p> Signup and view all the answers

Flashcards

Deep breathing facilitation

Helping the patient breathe deeply to use the diaphragm and extend the expiration time.

Hydration for airway clearance

Ensuring the patient consumes 2-3L of fluids to thin mucus for easier coughing.

Effective cough techniques

Teaching ways to cough that reduce airway collapse and aid mucus clearance.

Bronchodilator administration

Helping the patient use inhaled medications to open airways and clear secretions.

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Pursed-lip breathing

Technique to extend exhalation and slow breathing, enhancing gas exchange.

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Comfortable positioning

Assistance in finding a position that maximizes breathing, like tripod position.

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Hypercapnia recognition

Understanding symptoms of excess carbon dioxide to initiate prompt treatment.

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Nutritional support

Monitoring and suggesting high-protein, high-calorie foods to prevent weight loss in COPD patients.

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COPD Diagnosis Criteria

A diagnosis of COPD is established when FEV1 is less than 70%.

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Pulmonary Function Tests (PFTs)

Tests conducted using a spirometer to assess lung function.

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Forced Vital Capacity (FVC)

The total amount of air exhaled forcefully after maximum inhalation.

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Forced Expiratory Volume (FEV1)

Amount of air exhaled in the first second of exhaling during FVC.

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FEV1/FVC Ratio

The ratio used to differentiate between obstructive and restrictive lung diseases.

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Peak Expiratory Flow Rate (PEFR)

Maximum airflow during forced expiration, useful for monitoring asthma.

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Cor Pulmonale

Right heart hypertrophy due to pulmonary hypertension from COPD.

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Acute Exacerbations of COPD (AECOPD)

Sustained worsening of COPD symptoms lasting 48 hours or longer.

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Empyema

Accumulation of purulent exudate in the pleural cavity requiring drainage.

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Pericarditis

Inflammation of the pericardium often due to infection spread.

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Bacteremia

Presence of bacteria in the bloodstream, common after pneumococcal pneumonia.

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Meningitis

Inflammation of the protective membranes of the brain, possible after pneumonia.

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Empirical therapy

Treatment started based on experience before knowing the exact cause.

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Sputum culture

Test performed to identify pathogens before starting antibiotic treatment.

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Antibiotic response

Signs of pneumonia improve within 48-72 hours of antibiotic therapy.

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Viral pneumonia treatment

No definitive treatment; prevention includes flu vaccine and antiviral use.

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Subcutaneous emphysema

Presence of air in subcutaneous tissue, felt as crackling on palpation.

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Hemothorax

Collection of blood in the pleural space, often due to injury.

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Chylothorax

Accumulation of lymphatic fluid in the pleural space.

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Cardiac tamponade

Blood pooling in the mediastinal cavity, compressing the heart.

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Pleural space tolerance

Patients can tolerate less than 10% occupancy of air or fluid without symptoms.

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Goals of chest drainage

To remove fluid/air, prevent re-entry, and restore lung function.

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Diminished breath sounds

May indicate reaccumulation of fluid on the side with the chest tube.

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Postoperative assessments for tracheostomy

Monitor vital signs and assess sedative use, respiratory issues, and secretions.

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Tracheostomy suctioning

Provide suctioning when needed to clear secretions and maintain airway patency.

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Maintaining hydration post-tracheostomy

Hydration helps thin secretions and prevent obstruction and infection.

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Tracheostomy safety equipment

Ensure supplies and safety equipment are readily available at bedside.

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Preventing tracheostomy obstruction

Keep the inner cannula clean and check for patency to avoid blockages.

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Signs of respiratory distress

Look for abnormal respiration, accessory muscle use, and changes in color or vitals.

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Routine tracheostomy care frequency

Care should be performed twice daily to maintain site health.

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Sterile technique in tracheostomy care

Use sterile methods to clean around the tracheostomy site to prevent infection.

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Trapped Lung

Condition where the visceral pleura is encased by fibrous tissue, restricting lung expansion.

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Pleural Effusion Symptoms

Signs include progressive dyspnea, decreased chest movement, and reduced breath sounds.

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Empyema Symptoms

Fever, night sweats, cough, weight loss, and pleural effusion indicate empyema.

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Pleural Effusion Treatment

Primarily focuses on treating the underlying cause of the effusion.

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Water-Seal Chamber Function

Prevents air from entering the pleural space, allows drainage, and traps fluid.

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Suction Confirmation

Intermittent bubbling indicates suction is functioning properly; constant bubbling may indicate a leak.

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Chest Drainage Measurement

Monitoring the volume of fluid collected in the drainage system.

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Study Notes

General Study Notes

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Related Documents

COPD: Week 1 - PDF

Description

This lesson covers the diagnosis, symptoms, and management of Chronic Obstructive Pulmonary Disease (COPD). Key topics include pulmonary function tests, physiological mechanisms leading to pulmonary hypertension, acute exacerbations, and the underlying causes of complications like cor pulmonale. It also discusses the significance of differentiating purulent and non-purulent exacerbations and the importance of pursed-lip breathing.

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