T I1E total blood volume in conlgestive heart failure has been the subject of extenisive imiivestigatioin. Although there are isolate(1 re)orts faili g to demonstrate a eOlisisteiitly iereased voltunie,' 2 the overwhelmingy body of evidence obtained with bothl plasnia3-5 andl red-cell taors, (;leaves little dooubt that total 1)1(1oo volilImli is increased iin tlhe majoritv of )atiellts having o...