Diuretic response and effects of diuretic omission in ambulatory heart failure patients on chronic low‐dose loop diuretic therapy

Aims To study loop diuretic response and effect of loop diuretic omission in ambulatory heart failure (HF) patients on chronic low‐dose loop diuretics. Methods and results Urine collections were performed on two consecutive days in 40 ambulatory HF patients with 40–80 mg furosemide (day 1 with loop diuretic; day 2 without loop diuretic). Three phases were collected each day: (i) first 6 h; (ii) rest of the day; and (iii) night. On the day of...