Case Study, Chapter 21, Control of Respiratory Function Ms. S is a 76-year-old f
ID: 124373 • Letter: C
Question
Case Study, Chapter 21, Control of Respiratory Function Ms. S is a 76-year-old female client who is admitted to the hospital with a diagnosis of pneumonia. Upon examination, you notice a barrel chest and diminished breath sounds in the bases. Her arterial CO, is 55 mm Hg, and further questioning reveals that she has a history of chronic obstructive pul (COPD). She has smoked two packs of cigarettes per day for the past 50 years. (Learning Objectives: 2, 3, 15, and 17) lmonary disease 1. How does her history of smoking increase her risk for pneumonia? 2. What findings make you suspect COPD? Why? 3. Ms. S has thick tenacious secretions that are blocking the airways. How will this impact her ventilation and perfusion? Why is this important? 4. Further lab testing reveals a low hematocrit and hemoglobin. How will this impact her respiratory status?Explanation / Answer
1Ans:
She smoked two packs of cigarettes per day for 50 yrs is a strong long term cause to develop pneumonia. Her COPD condition also part of pneumonia. As per publications and journals it revealed that people who diagnose with pneumonia with the primary cause of smoking 85% of people ended up with Lung Cancer.
2Ans:
Her arterial Co2 55mm hg reveals that there is difficulty in blowing off CO2, thus retaining more that she should.
3Ans:
The thick secretions will obstruct the gaseous exchange in lungs that results in difficulty in breathing (ventilation) less oxygen supply to the tissues(perfusion). That secretions need to be removed by nebulisation with broncho dilators whoch improves ventilation and perfusion.
4Ans:
Due to low HB levels O2 carring capacity to the tissues may decrease and Tissue demand will increases. Gaseous echange may not happen properly due to accumulation of O2 in lungs (Low O2 carring capacity from lung to heart through pulmonary vein from there to tissues)
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