Heart Failure

Heart failure is a highly prevalent syndrome that affects close to 6 million adults in the US alone, with 600,000 new cases diagnosed each year. Patients with chronic heart failure have a higher heart rate, reduced SDNN and RMSDD and reduced power within VLF and LF frequency domains. These HRV parameters become further reduced in patients with decompensated chronic heart failure compared to those with stable chronic heart failure. It is particularly noteworthy that in heart failure patients there is an increase of the amplitude of LF in the early stages and a reduction of the LF component at the end stage

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Last date updated on July, 2025