Nonlinear dynamics in sudden cardiac death syndrome: heartrate oscillations and bifurcations.
Patients at high risk of sudden cardiac death show evidence of nonlinear heartrate dynamics, including abrupt spectral changes (bifurcations) and sustained low frequency (.01-.04 Hz) oscillations in heartrate.
Goldberger
A L
AL
Cardiovascular Division, Beth Israel Hospital & Harvard Medical School, Boston, Massachusetts 02215.
Rigney
D R
DR
Mietus
J
J
Antman
E M
EM
Greenwald
S
S
D000328:Adult; D004562:Electrocardiography; D006331:Heart Diseases / Q000503:physiopathology*; D006339:Heart Rate; D006352:Heart Ventricles / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D012189:Retrospective Studies; D012307:Risk Factors; D013577:Syndrome; D013610:Tachycardia