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Figure 3 | Critical Care

Figure 3

From: Measurement of pressure-volume curves in patients on mechanical ventilation: methods and significance

Figure 3

Respiratory (left panel) and pulmonary (right panel)pressure-volume curves obtained by the supersyringe technique (clear circle), theinspiratory occlusion technique (clear square) and the constant flow technique at 3 (filled circle)and 9 (clear triangle) l/min flow. The curves obtained using the constant flow technique at9 l/min are slightly shifted to the right due to the generation of a resistivepressure. The curves obtained by the other methods are not significantlydifferent. From Lu et al [10].

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