Explain the pathophysiology

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Reference no: EM133964852

Question

A 65 year old female comes to you complaining of SOB with exertion x 5 years and now she is experiencing SOB while at rest. She is a 1 pack per day smoker x 40 years. Talking to her you notice some physical signs: She has a barrel chest speaks in short sentences She also purses her lips to breath has pinkish skin. You do some diagnostic test PFT (Pulmonary Function test) FEV2/FVC is 70% (N: >75%) PCO2 is 48 (N: is 35-45) Chest X ray shows a flattening of the diaphragm What is her most likely diagnosis and why (give 3 reasons)? If she has is a PCO 2 of 48, what acid/base imbalance can this cause and what is High PCO2 called What is FEV2 and What is FCV.

HINT: Think back to BIO202? Explain the pathophysiology behind her diagnosis and why she has a barrel chest and purses her lips to breath.

Reference no: EM133964852

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