hepatectomy, pneumonectomy, cholecystectomy, nephrectomy, gastrectomy, adrenalectomy, laparotomy, lobectomy, cystectomy, thoracotomy, parathyroidectomy, thyroidectomy, meniscectomy, recanalization, pancreatectomy, adenoidectomy, arteriography, fibrinolysis, orchiectomy, thrombolytic therapy, laparoscopic cholecystectomy, uppp, endarterectomy, resection, cardiac tamponade, malignant neoplasm, varices, sigmoid colon, adenoma, paracentesis, empyema, endometrial carcinoma, thymectomy, cannulation, orchidectomy, splenectomy, pyelonephritis, tace, arthrodesis, atrioventricular block, radical hysterectomy, enucleation, laryngectomy, craniotomy, mediastinitis, preop, hematuria, postop, oophorectomy, tamponade, thromboembolism, cesarean delivery, fibroma, venography, thoracentesis, prostatectomy, pcr, stenoses, atresia, calculi, laminectomy, ileus, vitrectomy, lipomas, cholelithiasis, venous thrombosis, transection, tricuspid, epidural anesthesia, tavr, mitral stenosis, cardiogenic shock, sympathectomy, thoracic aorta, plication, pyloric stenosis, catheterization, esophagitis, axillary node, thrombolysis, hysterectomy, cabg, urethroplasty, hypokalemia, keratoplasty, achalasia, hemoptysis, polypectomy, flexible sigmoidoscopy, sigmoidoscopy, stenting, hydronephrosis, chlorambucil, photocoagulation, osteochondroma, hiatus hernia, descending aorta, vesicoureteral reflux, palliation, arteriotomy, caesarean delivery, coarctation, mastectomy, lymphadenectomy, resections, revascularization, laparoscopy, amputation, colostomy