Intravenous medication pumps allow the nursing staff to titrate medications ; foley catheters and urine collection bags aid in monitoring urine output ; sequential compression devices squeeze the lower extremities and reduce the incidence of deep venous thrombosis ; transvenous pacemakers stimulate the patient ' s heart to beat ; dialysis machines remove fluid and correct electrolyte and acid - base disturbances ; intraaortic balloon pumps assist the heart ' s contractility ; and neurologic monitoring systems measure intracranial pressure 静脉内给药泵由普通护士用于滴定药物；弗利氏导管和集尿袋帮助监测排尿量；连续压迫装置挤压下肢，减少深部静脉血栓形成；经静脉起搏器刺激病人心脏跳动；透析仪除去液体，纠正电解质和酸碱紊乱；主动脉内气囊泵支持心脏收缩；神经病学监测系统测定颅内压。
