angioplasty, angiography, thoracotomy, thrombolytic therapy, stenting, laparotomy, angiogram, paracentesis, hepatectomy, craniotomy, colectomy, intubation, surgical procedure, lobectomy, sympathectomy, adrenalectomy, cannulation, radial artery, colonoscopy, cabg, echocardiography, tracheostomy, arteriography, pulmonary vein, recanalization, coronary bypass, echocardiogram, cardiac, laparoscopic cholecystectomy, spinal anesthesia, endarterectomy, venography, pneumonectomy, coronary bypass surgery, cath, urethroplasty, stenoses, nephrectomy, laminectomy, vitrectomy, embolectomy, thyroidectomy, catheter, cholecystectomy, biopsy, endoscopy, thoracentesis, electrocardiography, cystectomy, surgery, tamponade, epidural anesthesia, lavage, surgical incision, saphenous vein, fibrinolysis, workup, anastomosis, hysterectomy, electrocautery, axillary artery, radical hysterectomy, cardiac tamponade, sigmoid colon, anticoagulation, ultrasonography, prostatectomy, thoracic aorta, adenoidectomy, thrombolysis, arthrography, plication, laparoscopy, dialyses, cesarean delivery, subclavian vein, cautery, anesthesia, fluoroscopy, hemodialysis, percutaneous, gastrectomy, cauterization, hemodynamics, thymectomy, arteriotomy, lumbar puncture, procedure, descending aorta, mitral stenosis, atrioventricular block, decortication, tricuspid, implantation, subclavian, gastroscope, endoscopic, caesarean delivery, flexible sigmoidoscopy, enucleation, total parenteral nutrition, coronary artery bypass graft, catheterisation, catheterizations, catheters, arteriogram, embolization, ligation, puncture, revascularization, angiograms, clamping, dialysis, occlusion