A 57-year-old man with stage II congestive hea failure repos to his physician for a follow-up visit. On examination, the man has crackles at both lung bases, and mild pitting edema affecting both legs. Laboratory results show a potassium level of 3.0 mEq/L. Which of the following is the most appropriate diuretic to prescribe for this patient?
Bumetanide Ethacrynic acid Indapamide Triamterene