<s>[INST] A 60-year-old women presents the ED with a few days history of shortness of breath and fatigue. She has a history of chronic heart failure with preserved ejection fraction (HFpEF), hypertension, and hyperlipidemia. Her medications include spironolactone, valsartan, and atorvastatin. Her BP is 180/100, PCWP 16 mmHg, RVC=', CR 89, LVEF 55%. Labs results show elevated BUN and creatinine and slightly elevated troponin. 
What is the best treatment?[/INST]