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Figure 1 | BioMedical Engineering OnLine

Figure 1

From: Bench and mathematical modeling of the effects of breathing a helium/oxygen mixture on expiratory time constants in the presence of heterogeneous airway obstructions

Figure 1

Schematic diagram of the experimental apparatus. The subscripts L and R refer to the left and right branches of the test lung. C refers to the compliance of either compartment of the test lung, P is the compartmental pressure, R is the resistance inserted into either branch of the test lung, or that imposed by the external breathing circuit (Rcct), and Q is the flow in either branch, or the total flow into and out of the test lung (QTOT).

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