The effects of coronary occlusion location on the RR signal
Tóm tắt
We carry out the study of the energy contribution of the RR signal in the three frequency bands (LF, MF, and HF) during percutaneous transluminal coronary angioplasty. Furthermore, variables based on instantaneous frequency and on group delay computed from RR signal in the three frequency bands are analyzed. All these variables are calculated by applying the Choi-Williams distribution to the RR signal. The purpose of studying these variables is to provide a punctual location of the energy in the time-frequency plane, since this can allow different kinds and locations of coronary lesions to be distinguished.
Từ khóa
#Arteries #Delay #Heart rate variability #Signal analysis #Arterial occlusion #Time frequency analysis #Control systems #Ischemic pain #Cardiovascular system #RhythmTài liệu tham khảo
10.1007/BF02441992
10.3109/03091909809010007
10.1111/j.1542-474X.1996.tb00263.x
10.1109/51.620497
10.1109/10.508542
10.1007/BF02446667
10.1006/cbmr.2000.1553
wagner, 1997, STAFF Studies Steering Staff
10.1109/79.127284
cohen, 1995, Time-Frequency Analysis
10.1006/cbmr.1998.1481
10.1109/CIC.1995.482584
thakor, 1994, multiresolution wavelet analysis of ecg: detection of ischemia and reperfusión in angioplasty, Proc World Congr Med Phys Biomed Eng, 57
10.1016/S0002-9149(99)00004-1
kitney, 1987, The Beat-by-Beat Investigation of Cardiovascular Function
10.1006/cbmr.1999.1520
saul, 1995, Heart Rate Variability and Sudden Death What s the Connection?
10.1016/0165-1838(81)90091-6
10.1109/CIC.1996.542478
hand, 1993, Multivariate Analysis of Variance and Repeated Measures