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. Author manuscript; available in PMC: 2012 Sep 27.
Published in final edited form as: Circulation. 2011 Aug 29;124(13):1442–1451. doi: 10.1161/CIRCULATIONAHA.111.024141

Figure 1.

Figure 1

Exercise oscillatory ventilation was defined as ≥3 cyclical fluctuations of minute ventilation (VE) during exercise with an amplitude >25% of the mean trough-to-trough VE during that interval. Cycle Length (CL), and Amplitude (Amp).