evidence policy practice routine replace review clinically hours Patients peripheral thoughts Trust venous replacement clinical catheters quality PVC Cochrane high Great routinely vip monitoring care adults agree Big unnecessary PVCs insertion Joining guidelines important experience Joan needed catheter changed chat cannula communication days document Poor score risk regular regularly shared site pain paediatrics question presented triumph discussion device checks concerns blustery changing caveat assess absolutely access lurking keeping huge implications happy health hour dissemination key left licensed NSW author bound blog cannulating difficult totally tweet vital view thought staff surely swollen weight Pretty prevent protection paeds painful patient point show sounds Repeat signs simple refuse puts replaced resiting RCT regulatory saving safe ruin peoples outweighs poll problem wind windy System speed support supports Waves week updated tweeting tradition training delegates children close checking challenge authorities nurses made lives local making light insitu indications Interesting international encourage fail feel forward hearing