Hello and welcome
I appreciate your concern
There are many things to consider here. If there is associated renal impairment with the congestive heart failure and excessive fluid is accumulating then uremic pericarditis is a possibility and requires urgent dialysis. Similarly in pulmonary edema bronchial vessels can rupture and lead to hemoptysis and cough. Dialysis with ultrafiltration should continue to remove excess fluid in consultation with your doctors.
Wishing you best of health
Thanks