Before giving an asthmatic patient a breathing treatment wit…

Before giving an asthmatic patient a breathing treatment with an aerosolized bronchodilator, the respiratory therapist notices that breath sounds are diminished bilaterally. After the patient inhales the medication, it is noticed that the patient’s breath sounds reveal wheezing in all lung fields. Based on this, what can be concluded?

A 57-year-old patient with severe COPD enters the emergency…

A 57-year-old patient with severe COPD enters the emergency department with shortness of breath. Room air ABG levels are as follows: pH 7.44 PaCO2 49 mm Hg PaO2 47 mm Hg HCO3 37 mEq/L BE +12 mEq/L On the basis of this information, which of the following is the most appropriate O2 therapy?