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. Author manuscript; available in PMC: 2011 Oct 1.
Published in final edited form as: J Card Fail. 2010 Jun 16;16(10):835–842. doi: 10.1016/j.cardfail.2010.05.003

Figure 6.

Figure 6

The effect of alterations in VT (black line) and BF (grey line), when maintaining a constant VE of 31 L/min at a given dead space (isopleths), on VD/VT. HF data is presented for VT (▲ HF-VT) and BF (■ HF-BF). This group had a dead space of ~400ml and a VD/VT of ~0.4. In this model when VT (△ VT*2) was doubled to a more normal value (~2200ml), to maintain the same VE i.e. 31 L/min, BF (□ BF/2) was reduced by half. If dead space remained the same (400ml) VD/VT would be reduced by half to 0.2.