<prompt> A patient after undergoing thoracotomy complains of severe pain. He can be managed byIntercostal cryoanalgesiaI.V. fentanylOral morphineOral brufen  <response>: Gold standard for management of post-thoracotomy pain Epidural opioids epidural analgesiaBut, amongst the given options IV fentanyl IV opioid is the best answer.Management of post-thoracotomy painGold Standard Central neuraxial analgeria Thoracic epidural opioidsSecond choice Parentral opioid 