A 55 y/o female is admitted with nausea, vomiting, dizziness, and left flank pain. Physical exam reveals BP = 70/30, HR = 120, T = 38.7, and RR = 28. Neck veins are flat. Lungs are clear. There are no extra heart sounds. Abdomen is non-tender. There is CVA tenderness. There is no edema. Extremities are warm, with bounding pulses and good capillary refill. Mental status is normal.