ID.1
Item
gestational age > 34 weeks
boolean
ID.2
Item
post-natal age < 10 days
boolean
ID.3
Item
hypoxemia defined by: oxygenation index (oi) >15 (mean airway pressure x fraction of inspired oxygen x 100 /pao2) as drawn from two post-ductal arterial blood gas samples (in-dwelling arterial catheter) taken at least 15 minutes apart. or mechanically ventilated and with >75% fio2 for >6 hours while on ino
boolean
ID.4
Item
absence of congenital heart disease based on a two-dimensional echocardiogram and/or clinical assessment
boolean
ID.5
Item
an in-dwelling arterial catheter to facilitate painless sampling
boolean
ID.6
Item
currently on ino or plan to start ino before enrollment
boolean
ID.7
Item
lethal non-cardiac congenital anomalies including diaphragmatic hernia
boolean
ID.8
Item
clinically apparent bleeding; thrombocytopenia <30,000 or other laboratory evidence of coagulopathy
boolean
ID.9
Item
currently on ecmo or plan to initiate ecmo within 2 hours of enrollment
boolean