Which of the Following Patients Should the Nurse Assess First

Which of the following patients should the nurse assess first?

A) the patient with occasional chest pain who has recently been diagnosed with gallbladder disease
B) the elderly patient with heart failure who was admitted with increasing edema of the lower extremities
C) the newly admitted patient complaining of substernal chest pain.Patient has recently had a father die from heart disease
D) the patient complaining of chest pain and is hyperventilating after a family member leaves the room following an argument