A 58-year-old patient with chest pain who describes pressure radiating to the left arm and diaphoresis.

A 65-year-old postoperative patient, 6 hours after hip replacement, who reports pain rated 9/10.

A 70-year-old diabetic patient whose morning blood glucose is 260 mg/dL.

A 72-year-old patient with chronic obstructive pulmonary disease (COPD) who is short of breath but has oxygen saturation of 92