Identify an appropriate nursing diagnosis for this patient .

you are caring for a 68 year old woman during the night shift. earlier today she had an abdominal hysterectomy under general anesthesia. you note that her respiratory rate has steady risen from 16-26 and she had developed a mild non productive cough. when you listen to her chest, you hear crackles throughout . she has a 40 pack per year cigarette smoking history. identify an appropriate nursing diagnosis for this patient . explain the reasons for your choice .