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Table 1 Classification of ICUs as purposed by WFSICCM. Modified from Marshall et al. 2017 [16]

From: Factors determining level of hospital care and its association with outcome after resuscitation from pre-hospital pulseless electrical activity

  Level 1 Level 2 Level 3
Capacity Short-term support of mild organ dysfunction Basic support of organ dysfunction Complex management of organ dysfunction
Treatment Non-invasive respiratory support Mechanical ventilator support, pharmacologic hemodynamic support, intermittent RRT Advanced ventilator and hemodynamic support, continuous RRT
Monitoring Non-invasive Invasive Advanced invasive
Personnel Nurse patient ratio 1:4 or 1:3
Physicians with some experience on critical care available during day
Nurse patient ratio 1:3 or more
Physicians with some ICU training during day, available at night
Nurse patient ratio 1:1 or 1:2
Physicians with ICU training on call 24/7
  1. ICU intensive care unit, RRT renal replacement therapy, WFSICCM World Federation of Societies of Intensive and Critical Care Medicine