Systemic mean BP of < 70 mm Hg (< 80 mm Hg if previoushypertension) after 20–30 mL/kg starch or 40–60 mL/kgserum saline solution or PCWP between 12 and 20 mm HgNeed for dopamine of > 5 mcg/kg/min, or norepinephrine orepinephrine of > 0.25 mcg/kg/min to maintain mean BP at >70 mm Hg (80 mm Hg if previous hypertension)