surgery coagulation bone marrow avital vital nonunion exchange nailing bone defect pseudoathrosis bone healing bone perren strain theory hypertrophic nonunion atrophic oligotrophic nonunion femoral shaft nonunion femur nonunion fractures fracture primary survey trauma score advanced life support protocol atls protocol polytraumatised patient multiply injured patient parathyroid gland thyroidectomy thyrotoxicosis toxic goitre simple goitres thyroid hormone thyroxine iodine thyroid gland polyglactin knotting techniques needles memory polyglycolic acid polyamide catgut silk nylon vicryl absorbable sutures tensile strength staples clips stitches suture monopolar bipolar ligasure caramarisation carbonisation channeling capacitance coupling direct couoling electrosurgical unit surgical energy dispersive electrode active electrode electrocautery radiofrequency electrosurgery diathermy acute pancreatitis chronic pancreatitis pseudocyst clean contaminated clean surgery surgical site infection empirical antibiotics therapy chemoprophylaxis narrow spectrum broad spectrum antibiotics resistance mic antibiotics abuse antimicrobial antibiotics blood loss traxenamic acid apttk pt haemostasis hemostasis ambulatory surgery day case surgery spinal anesthesia arachnoid block bupivacaine procaine lidocaine local anesthetic voltage current flash arc burns electricity high voltage gall bladder cholelithiasis bilirubin jaundice
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