Cardiology Research and Practice / 2009 / Article / Fig 2

Research Article

A Classification System to Detect Congestive Heart Failure Using Second-Order Difference Plot of RR Intervals

Figure 2

(a) C T M ( π‘Ÿ ) versus π‘Ÿ (b) 𝐷 ( π‘Ÿ ) versus π‘Ÿ for an N (blue) and CHF (red) subject.

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