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Fig. 1 | Critical Care

Fig. 1

From: Safe doubling of ventilator capacity: a last resort proposal for last resorts

Fig. 1

Top: Schematic of a proposed in-series breathing circuit for two patients using an active inspiration valve. Bottom: Resulting ventilation waveforms and active (filled in) and in-active (not filed) inspiratory and expiratory circuit lines at any given 2-s period for 2 × 4-s breaths, one by each patient. The ventilator will display the given patient data in each breath. Patients are colour-coded for clarity and show how end-expiration of one patient overlaps inspiration and initial expiration of a second patient, although using different parts of the circuit

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