Call can be pretty busy. Bleeding (gi bleeds, hemoptysis, epistaxis, trauma bleeds, Hematuria etc), infections (diverticular abscess, cholecystectomy tubes for gallbladder disease, nephrostomy tubes for infected renal collecting system, empyema , post operative abscess) and ischemic events (strokes , DVT/PE, acute limb ischemia, acute mesenteric ischemia , clotted dialysis access). Inpatients also need lines, g tubes, chest tubes , biopsies etc.