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. Author manuscript; available in PMC: 2022 Feb 17.
Published in final edited form as: Lancet Respir Med. 2019 Oct 1;7(12):1039–1047. doi: 10.1016/S2213-2600(19)30246-2

Figure 3: Risk of cardiovascular collapse by subgroup for patients receiving fluid bolus administration vs no fluid bolus administration.

Figure 3:

On vasopressors refers to patients who were receiving vasopressor infusions any time in the 6 h before enrolment. NIV preox=non-invasive positive pressure ventilation for pre-oxygenation. BMV=bag-mask ventilation to ventilate or oxygenate the patient during the tracheal intubation procedure in all patients enrolled in the trial. PreVent BMV=randomisation assignments in the 201 patients who were co-enrolled in a separate randomised trial of prophylactic vs no prophylactic bag-mask ventilation.