Can Vomiting In A Diabetic Person Be Indicative To Kidney And Heart Problems?

my mother is of 63 she is diabetic due to which her heart is affected and now her kidney is also affected on 18.9.2010 she had a serious problem she started continuous vomiting and had breathlessness then she was hospitalized on 18.9.2010 where she got stable and then her dialysis was done on 20.9.2010 at that time her creatine was 6.9 then again on 21.9.2010 her dialysis was done.thereafter she was disharged from hospital on 22.902010 in very stable position.as soon she reached home after 4-5 hours she again started complaining ghabraht and whole she did not sleep ,anyhow ,her dialysis was done on 24.9then on28.9,1.10,&5.10.On6.10in the morning she complained for burning in stomach&breathlessness,hence she hospitalized where 0n 7.10 evening after conducting ABG test it was told to us that her O2 level was58% andCO2 was47%&suggested fluid in lungs then started giving venti bipap therapy thenon11.10 flui 750ml was taken out of left lung&dialysis wasdone on11.10&1.5lt flui was taken out.then they started using bipap intermittently &on 13.10 she was discharged from hospital with advice to give O2 at home 14hrs intermittently at 1lt.NOW today againat noon she started complaining gabraht ,bechaini. what to do?