A Patient Diagnosed with a Hiatal Hernia Presents to the Emergency

A patient diagnosed with a hiatal hernia presents to the emergency department (ED) with chest pain. What is the priority action by the nurse?

A) Preparing the patient for an electrocardiogram (ECG)
B) Asking the patient, "When did you eat last?"
C) Positioning the patient on the right side with the head of bed (HOB) elevated
D) Asking the patient, "Have you been taking your prescribed proton pump inhibitor?"