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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 5.

Figure 5

Differences in breathing pattern in normal (circle) and HF (triangle) patients from rest (black) to submaximal exercise (open). Grey lines are isopleths of VT; black lines demonstrate the change in breathing pattern with exercise in each group.