Table 3

Current US guidelines for activation of the ALeRT (Personal Communication, Zonies DH)

1PaO2:FiO2<100 mm Hg
2PaO2:FiO2<200 mm Hg + inhalation injury
3FiO2>0.7 or pH<7.25 with lung protective strategy
4PEEP>15 cmH20 with plateaux pressure >30 cmH20
5Severe brain injury with PCO2>35–40 mm Hg on transport ventilator
6Anatomic derangement (eg, multi-lobar resection, blast lung with massive shunt)
7Cardiogenic shock refractory to maximal medical therapy
  • ALeRT, Acute Lung Rescue Team; PEEP, positive end expiratory pressure.