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Ability of heart rate variability to predict prognosis in patients with advanced congestive heart failure
W Jiang1, W R Hathaway, S McNulty
1Duke Clinical Research Institute, Durham, North Carolina 27710, USA.
The American Journal of Cardiology
|October 7, 1997
Abstract:
We analyzed heart rate variability from normal RR intervals in patients with advanced congestive heart failure. Although most patients had decreased HRV, patients with a life-threatening cardiac event or death (n = 8) within 18 months had significantly lower heart rate variability than those who did not (n = 18), which may have value in determining prognosis in this population.