Which of the following parameters are important in the management of patients with ARDS?
1. Keep systolic blood pressure below 90 mm Hg.
2. Keep hemoglobin saturation above 90%.
3. Ensure adequate urine output.
4. Keep mean arterial pressure above 60 mm Hg.
a. 1 and 2 only
b. 1 and 4 only
c. 2, 3, and 4 only
d. 1, 3, and 4 only
ANS: C
Until such tools become available, it seems prudent to prevent hypotension (systolic arterial blood pressure at >90 mm Hg, mean arterial blood pressure at >60 mm Hg), consider augmentation of DO2 in the setting of hyperlactatemia, optimize hemoglobin saturation (>90%), and ensure ade-quate organ function (e.g., urine output).
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