PMC9447901_01
Development of cardiorespiratory parameters during the intubation procedure. Applied pressures, as well as measured tidal volumes, oxygenation and heart rate are shown. Tidal volumes were measured in the ventilator circuit using a flow sensor at the proximal end of the endotracheal tube (VT) and intrapulmonary VT were measured using electrical impedance tomography (VT-EIT). Mean values and 95% confidence intervals of ten-second intervals for each time point are shown. Insufficient ventilation (VT < 2ml/kg) is indicated by a dotted horizontal line. Timing is provided in minutes relative to fentanyl application. Vertical lines indicate interventions performed: F, fentanyl administration; M, mivacurium administration; I, intubation; E, extubation; S, surfactant administration. PIP, peak inspiratory pressure, MAP, mean airway pressure, PEEP, positive end-expiratory pressure.
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F1
The development of cardiorespiratory parameters is depicted in Figure 1.