Cardiology Research and Practice / 2009 / Article / Fig 4

Research Article

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

Figure 4

SDRR of normal (*) and CHF (O) patients. There are 36 N (labeled as 1 , , 3 6 ) and 36 CHF (labeled as 3 7 , , 7 2 ).

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