Mrs. Breathless is a 42 year old female, just getting off a late shift. She reports to the ER in the early morning with shortness of breath. After several test, the following results are confirmed: ABG (arterial blood gases) lab results are: pH=7.44, PaCO2 = 28, HCO3 = 24. Problems: PaCO2 is low, pH is on the high side of normal therefore compensate respiratory alkalosis, PaO2 is low probably due to mucous displacing air in the alveoli affected by the pneumonia.