Steps, advance through levels if no response or rapidly deteriorating kidney function
1. furosemide po qd/bid at 0800, 1400
2. furosemide iv, same dose, qd/bid at 0800, 1400
3. furosemide bid, + metolazone at 0730
4. furosemide drip + metolazone at 0730
Achieves good diuresis with lower total dose.
Start at 5mg/hr.
Can preserve kidney function.
5. furosemide + spironolactone