All of the following patients require intravenous push (IVP) medications. The nurse would administer which patient's medication first?

A scheduled dose of IVP furosemide for a patient displaying signs of shortness of breath.

PRN IVP diphenhydramine for a patient complaining of itching.

PRN IVP morphine for a patient complaining of moderate pain.

A scheduled dose of IVP digoxin for a patient in atrial fibrillation.