Case # 1 Mrs. G, a 62-year-old female, was seen in the emergency department for complaints of increasing shortness of breath. Mrs. G states that seven years ago her family physician told her she had emphysema. At home she is on oxygen via nasal cannula at 1 lpm, and a small volume nebulizer with albuterol sulfate four times a day. Her vital signs are as follows: HR 108/minute, RR 28/minute, BP 142/80 mmHg. She's on a 24% venturi
Case # 1
Mrs. G, a 62-year-old female, was seen in the emergency department for complaints of increasing shortness of breath. Mrs. G states that seven years ago her family physician told her she had emphysema.
At home she is on oxygen via nasal cannula at 1 lpm, and a small volume nebulizer with albuterol sulfate four times a day. Her vital signs are as follows: HR 108/minute, RR 28/minute, BP 142/80 mmHg. She's on a 24% venturi mask.
Mrs. G's ABG results indicate partially compensated respiratory acidosis moderate hypoxemia with a base excess of +5.
Part 1: PAO2 (oxygen partial pressure inside the alveoli) is 88.82 mmHg
Part 2: Her actual A-a gradient is 38.62 mmHg.
(Say normal for her 19.5)
Part 3: Her actual dead space to tidal volume ratio is 0.52
(Say normal range: 0.25 to 0.40)
What is clinically happening to the patient?
Trending now
This is a popular solution!
Step by step
Solved in 4 steps
