CCU Critical care unit; CPAP Continuous positive airway pressure; DNR Do not resuscitate; GI Gastrointestinal; ICU Intensive care unit; LHSC London Health Sciences Centre; MOTU Multiorgan transplant unit; MSX Middlesex; Neuro Neuro-observation unit; RN Registered nurse; RRT Registered respiratory therapist; SJHC St Joseph’s Health Centre; SSC South Street Campus; UC University Campus