In a subgroup of 78 of these patients, the effects of intraoperative and recovery room doses of opioid ('clinical' loading dose) were analysed. Factors included were age, sex, weight, operative site, verbal numeric pain score (at rest and on movement) and a nausea/vomiting score. The records of 1010 patients, under 70 years old, prescribed morphine via patient-controlled analgesia (PCA) after major operations were examined to see what factors might best predict the amount of morphine used in the first 24 h after surgery. Although a reduction in dose is often suggested for elderly patients over 70 years of age, age-related alterations to dose are generally not considered for younger patients. In the final, Great Britain dominated the field, touching first by well over 2 seconds and netting Jarvis a gold medal.The dose of opioid prescribed for postoperative pain relief has traditionally been based on the weight of the patient. 2020 Olympic GamesĪt his first Olympic Games, Jarvis swam in the prelims of the 4×200 free relay, throwing down a 1:45.53 split on the 3rd leg to help Britain earn the top seed heading into the night. Once again teaming up with Great Britain, Jarvis led off the 4×200 finals relay in 1:47.17 to help the Brits successfully take the European title. Calum swam on the prelims relay, splitting a 1:46.32, which while fast just left him off of the finals relay. He used that speed to help Great Britain win their first world championship relay in the 4×200 free relay, upsetting team USA.Ĭalum once again helped Britain to the 4×200 free crown as they successfully defended their title and once again upset team USA on their way to victory. Jarvis was one of the year’s top-10 fastest swimmers in the 200m freestyle worldwide. At the Commonwealth Games in Glasgow Jarvis won bronze in the 200m freestyle, breaking David Davies’ Welsh record to wi his first international medal. His fourth-place finish in the 100m freestyle set a new Welsh record. He now claims that the 200m freestyle is his favorite event.Ģ014 was a huge year for Jarvis – he competed at the British Championships held in Glasgow, finishing fourth in the 100m freestyle and picking up a silver medal in the 200m freestyle. His best event became the 200m freestyle, and he won a silver medal at the 2014 Commonwealth Games in the event. Jarvis quickly improved, and over the next few years after his Olympic tryout, his freestyle developed rapidly. Although Jarvis won gold in the 200m backstroke at the Olympic Trials, which he claims was his finest performance to-date, he just missed making the Olympic qualification time. Jarvis was given the opportunity to land a spot on the 2012 British Olympic Team. Jarvis finished sixth in the 20m freestyle and fifth in the 200m backstroke. In 2012 he debuted on the senior international stage, swimming at the European Short Course Championships. The next year he once again competed at the British Championships, but this time he finished fourth overall. Jarvis had his first international breakout when he finished fifth in the 200m backstroke at the 2010 British Championships. After his swimming career Jarvis plans to become a swimming coach. Born in Ystrad in the Rhondda to Deborah Jarvis and John Jarvis, he first rose to fame in the backstroke events. He trains at the National Performance Centre, Bath under Coaches Dave McNulty and Graeme Antwhistle. Born Calum Jarvis is a British swimmer and freestyle and backstroke specialist.
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