Mechanism and Effects of Manipulating Chloride Homeostasis in Acute Heart Failure

Patients will receive 7 days of therapy using 115 mmol/day of lysine chloride. Patients will be given the option of a taste test of both lysine chloride \& the placebo powders mixed with various beverages to ensure it is palatable to them. If the patient feels they will not be able to take the study medication twice a day due to taste, they will be withdrawn from the study at this time.

Patients will receive 7 days of therapy using placebo. Patients will be given the option of a taste test of both lysine chloride \& the placebo powders mixed with various beverages to ensure it is palatable to them. If the patient feels they will not be able to take the study medication twice a day due to taste, they will be withdrawn from the study at this time.