Normalization of RR sequences: a new approach for quantitative assessment of heart rate turbulence by abnormal post stimulation response

Author

Berkowitsch, A. ; Guettler, N. ; Schulte, B. ; Neumann, T. ; Vukajlovich, D. ; Erdogan, A. ; Pitschner, HF

Author_Institution

Kerckhoff-Clinic, Bad Nauheim, Germany

fYear

2001

fDate

2001

Firstpage

321

Lastpage

324

Abstract

In our previous studies (2000, 2001), we observed different patterns of abnormal post-ectopic sinus response. In some cases, the conventional heart rate turbulence (HRT) parameter, "turbulence slope" (TS), could not be correctly used. The normalization of RR sequences allows to estimate a rate-independent parameter, TS_nrm. The aim of this study was to investigate the effect of normalization of tachograms and to define new descriptors of HRT which may predict the recurrence of ventricular tachycardia (VT) and ventricular fibrillation (VF) in implantable cardioverter-defibrillator (ICD) patients

Keywords

defibrillators; electrocardiography; haemodynamics; medical signal processing; neuromuscular stimulation; sequences; turbulence; ECG; R-R sequence normalization; abnormal post-ectopic sinus response; abnormal post-stimulation response; heart rate turbulence assessment; implantable cardioverter-defibrillator patients; rate-independent parameter estimation; tachograms; turbulence slope; ventricular fibrillation recurrence prediction; ventricular tachycardia recurrence prediction; Acceleration; Cardiology; Coronary arteriosclerosis; Fluctuations; Hafnium; Heart rate; Heart rate variability; Linear regression; Rail to rail inputs; Rhythm;

fLanguage

English

Publisher

ieee

Conference_Titel

Computers in Cardiology 2001

Conference_Location

Rotterdam

ISSN

0276-6547

Print_ISBN

0-7803-7266-2

Type

conf

DOI

10.1109/CIC.2001.977657

Filename

977657