really simple cable to the monitor. it gives you mainly two numbers. there's one number that correlates with the immediate pain of the patient. and there is a second number that is a median of the different pain scores that the machine has recorded for the last three minutes. it has helped us because it is really simple to interpret. you walk into the room and you exactly know if your patient is in pain or not and it makes it easier to adjust the pain medication. because we are always in fear that our patients might suffer pain, but we also need to realise that it's very important for them to not be overdosed on opioids. doctors say pain levels would normally be measured by assessing a number of measurements separately, while the system in use here allows for greater detail. the challenge for doctors is finding the right balance between keeping a patient comfortable while still enabling their nervous system