A 49-year-old male patient has been experiencing flu-like symptoms, including fever and chest congestion, for the past four days. He visited the emergency department (ED) last night due to increased difficulty in breathing. The patient has a 20-year history of smoking half a pack of cigarettes per day and has no significant medical or surgical history. The nurse has placed the patient on a cardiorespiratory monitor and administered a nasal cannula. After completing an assessment, the nurse documented the findings in the patient’s chart. Which assessment findings indicate hypoxia?