A client with a history of heart failure presents with progressive shortness of breath over the last several days. Upon assessment the nurse notes jugular venous distention. crackles in the lung bases auscultated bilaterally and a bounding pulse. Which of the following interventions would be the nurse's priority?

C Lay the client supine with legs elevated B Administration of IV antibiotics D Isotonic Intravenous fluids A Administration of IV diuretics