lOMoARcPSD|61299927
WEEK 3 CASE STUDY
Pathophysiology & Clinical Findings of the Disease
1. Are the spirometry results consistent with obstructive or restrictive pulmonary
disease? What is the most likely pulmonary diagnosis for this patient?
The spirometry findings correlate with obstructive pulmonary disease since the forced
expiratory volume in one second (FEV1) is less than 70%. It is explained that a decrease
in FEV1 is frequently linked to airway blockage (Hans et al., 2024). Moreover, as shown
in the spirometry results, an obstructive lung condition is also indicated by a FEV1/FVC
ratio of less than 70% (David & Edwards, 2022). Additionally, according to Langan &
Goodbred (2020), a normal FVC combined with a decline in the FEV1/FVC ratio is
suggestive of an obstructive problem. The obstructive pattern is further supported by
the post-bronchodilator spirometry results, which emphasize the non-reversibility of the
airflow limitation which is a hallmark of COPD (David & Edwards, 2022). The most
probable diagnosis is Chronic Obstructive Pulmonary Disease (COPD) according to the
spirometry results, the 35-year smoking history, and the results of the chest x-ray, which
indicate a flattened diaphragm.
2. Explain the pathophysiology associated with the chosen pulmonary disease.
A common lung ailment called chronic obstructive pulmonary disease (COPD) is defined
by gradual tissue deterioration and airflow limitation (Agarwal et al., 2023). It is brought
on by inflammation from long-term exposure to noxious particles or gases, especially
cigarette smoke (Agarwal et al., 2023). In this inflammatory process, white blood cells
such as neutrophils, lymphocytes, and macrophages respond to the lung tissue
and produce inflammatory mediators and proteolytic enzymes, further damaging and
inflaming the lungs (McCance & Heuther, 2019). Airway wall thickening, a rise in mucus
production, and fibrosis are all structural alterations brought on by the inflammatory
process. These modifications lead to blockage and constriction of the airways (McCance
& Heuther, 2019). Additionally, in certain cases, an imbalance between proteases and
antiproteases—specifically, a lack of alpha-1 antitrypsin—causes the breakdown of the
alveolar walls. As a result, it inhibits sufficient lung recoil, causing air to trap, and
preventing the lungs from expelling air completely (Rodrigues et al., 2021). Hypercapnia
(high carbon dioxide levels) and hypoxemia (low oxygen levels) are caused by a
confluence of factors including airway blockage, mucus hypersecretion, and
compromised gas exchange (Rodrigues et al., 2021). COPD is commonly characterized by
cough, wheezing, exhaustion, prolonged expiration, digital clubbing, and dyspnea with
exertion (Agarwal et al., 2023).
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, lOMoARcPSD|61299927
3. Identify at least three subjective findings from the case which support the chosen
diagnosis.
The patient shared a few subjective observations that are relevant to determining the
patient's medical status. The patient's 35-year history of smoking, which he has since
reduced to one cigarette per day, is the first subjective finding from the case that
supports the COPD diagnosis. As previously mentioned, smoking is the most prevalent
cause of COPD. Additionally, the other two patients' subjective complaints include
exhaustion, dyspnea with exertion and the complaint of a dry cough in the morning
are significant findings that are associated with COPD.
4. Identify at least three objective findings from the case which support the chosen
diagnosis.
The case study provides evidence in favor of the diagnosis of COPD based on the first
objective finding which is bilateral wheezing with forced exhalation and extended
expiratory phase. Secondly, an x-ray of the patient's chest reveals a flattened diaphragm
and bilaterally hyperinflated lungs also supports this diagnosis. Lastly, reduced FEV1 and
FEV1/FVC ratios are found in the spirometry results, which also point to an obstructive
respiratory condition.
Management of the Disease
1. Classify the patient’s disease severity. Is this considered stable or unstable?
A moderate risk is indicated by the patient's spirometry results, which show a FEV1 of
64% pre-bronchodilator and 66% post-bronchodilator, which is between 50% and 80%
(Global Initiative for Chronic Obstructive Lung Disease [GOLD], 2024). This leads to the
patient's severity being classified as "Gold 2: Moderate" in the 2024 GOLD Report. The
patient's overall assessment indicates that they are stable and meet the criteria for
moderate COPD, given their stable respiratory rate, lack of use of accessory muscles,
absence of productive cough, absence of dyspnea at rest, unchanged mental state, and
93% oxygen saturation.
2. Identify two (2) “Evidence A” recommended medication classes for the treatment of
this condition and provide an example (drug name) for each.
Pharmacologic therapies are essential for the therapy of COPD because they reduce
symptoms, minimize exacerbations, and improve exercise tolerance. According to GOLD
(2024), bronchodilators, which include short-acting beta2-agonists (SABA), are the first
Downloaded by James Banks ()
WEEK 3 CASE STUDY
Pathophysiology & Clinical Findings of the Disease
1. Are the spirometry results consistent with obstructive or restrictive pulmonary
disease? What is the most likely pulmonary diagnosis for this patient?
The spirometry findings correlate with obstructive pulmonary disease since the forced
expiratory volume in one second (FEV1) is less than 70%. It is explained that a decrease
in FEV1 is frequently linked to airway blockage (Hans et al., 2024). Moreover, as shown
in the spirometry results, an obstructive lung condition is also indicated by a FEV1/FVC
ratio of less than 70% (David & Edwards, 2022). Additionally, according to Langan &
Goodbred (2020), a normal FVC combined with a decline in the FEV1/FVC ratio is
suggestive of an obstructive problem. The obstructive pattern is further supported by
the post-bronchodilator spirometry results, which emphasize the non-reversibility of the
airflow limitation which is a hallmark of COPD (David & Edwards, 2022). The most
probable diagnosis is Chronic Obstructive Pulmonary Disease (COPD) according to the
spirometry results, the 35-year smoking history, and the results of the chest x-ray, which
indicate a flattened diaphragm.
2. Explain the pathophysiology associated with the chosen pulmonary disease.
A common lung ailment called chronic obstructive pulmonary disease (COPD) is defined
by gradual tissue deterioration and airflow limitation (Agarwal et al., 2023). It is brought
on by inflammation from long-term exposure to noxious particles or gases, especially
cigarette smoke (Agarwal et al., 2023). In this inflammatory process, white blood cells
such as neutrophils, lymphocytes, and macrophages respond to the lung tissue
and produce inflammatory mediators and proteolytic enzymes, further damaging and
inflaming the lungs (McCance & Heuther, 2019). Airway wall thickening, a rise in mucus
production, and fibrosis are all structural alterations brought on by the inflammatory
process. These modifications lead to blockage and constriction of the airways (McCance
& Heuther, 2019). Additionally, in certain cases, an imbalance between proteases and
antiproteases—specifically, a lack of alpha-1 antitrypsin—causes the breakdown of the
alveolar walls. As a result, it inhibits sufficient lung recoil, causing air to trap, and
preventing the lungs from expelling air completely (Rodrigues et al., 2021). Hypercapnia
(high carbon dioxide levels) and hypoxemia (low oxygen levels) are caused by a
confluence of factors including airway blockage, mucus hypersecretion, and
compromised gas exchange (Rodrigues et al., 2021). COPD is commonly characterized by
cough, wheezing, exhaustion, prolonged expiration, digital clubbing, and dyspnea with
exertion (Agarwal et al., 2023).
Downloaded by James Banks ()
, lOMoARcPSD|61299927
3. Identify at least three subjective findings from the case which support the chosen
diagnosis.
The patient shared a few subjective observations that are relevant to determining the
patient's medical status. The patient's 35-year history of smoking, which he has since
reduced to one cigarette per day, is the first subjective finding from the case that
supports the COPD diagnosis. As previously mentioned, smoking is the most prevalent
cause of COPD. Additionally, the other two patients' subjective complaints include
exhaustion, dyspnea with exertion and the complaint of a dry cough in the morning
are significant findings that are associated with COPD.
4. Identify at least three objective findings from the case which support the chosen
diagnosis.
The case study provides evidence in favor of the diagnosis of COPD based on the first
objective finding which is bilateral wheezing with forced exhalation and extended
expiratory phase. Secondly, an x-ray of the patient's chest reveals a flattened diaphragm
and bilaterally hyperinflated lungs also supports this diagnosis. Lastly, reduced FEV1 and
FEV1/FVC ratios are found in the spirometry results, which also point to an obstructive
respiratory condition.
Management of the Disease
1. Classify the patient’s disease severity. Is this considered stable or unstable?
A moderate risk is indicated by the patient's spirometry results, which show a FEV1 of
64% pre-bronchodilator and 66% post-bronchodilator, which is between 50% and 80%
(Global Initiative for Chronic Obstructive Lung Disease [GOLD], 2024). This leads to the
patient's severity being classified as "Gold 2: Moderate" in the 2024 GOLD Report. The
patient's overall assessment indicates that they are stable and meet the criteria for
moderate COPD, given their stable respiratory rate, lack of use of accessory muscles,
absence of productive cough, absence of dyspnea at rest, unchanged mental state, and
93% oxygen saturation.
2. Identify two (2) “Evidence A” recommended medication classes for the treatment of
this condition and provide an example (drug name) for each.
Pharmacologic therapies are essential for the therapy of COPD because they reduce
symptoms, minimize exacerbations, and improve exercise tolerance. According to GOLD
(2024), bronchodilators, which include short-acting beta2-agonists (SABA), are the first
Downloaded by James Banks ()
