EVIDENCE FOR ELECTRICAL ORGANIZATION DURING VENTRICULAR-FIBRILLATION IN THE HUMAN HEART

被引:12
作者
CLAYTON, RH [1 ]
MURRAY, A [1 ]
CAMPBELL, RWF [1 ]
机构
[1] FREEMAN RD HOSP, DEPT ACAD CARDIOL, NEWCASTLE UPON TYNE NE7 7DN, TYNE & WEAR, ENGLAND
关键词
VENTRICULAR FIBRILLATION; ECG ANALYSIS; CROSS-CORRELATION FUNCTION;
D O I
10.1111/j.1540-8167.1995.tb00438.x
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Introduction: Ventricular fibrillation is a most dangerous cardiac arrhythmia that has received considerable attention, yet its pattern of electrical activation remains controversial. The aim of this study was to investigate the degree of organization during the clinical arrhythmia and to examine the phase relationship between deflections in independent ECG leads. Methods and Results: Ten recordings of ventricular fibrillation were examined, Each had been provoked during routine electrophysiological study. The mean duration of ventricular fibrillation was 21 seconds (range 11 to 34), Independent and approximately orthogonal ECG leads I, a VF, and V-2 were recorded to computer at a sampling rate of 250 Hz. The phase relationship of each ECG lead pair was measured from the lag of peaks in their cross-correlation function (CCF), In 61% of the 1-second ECG epochs analyzed, CCF peak lag changed by < 20 msec compared to the previous epoch, Thus, the overall phase relationship was stable most of the time, Changes in CCF peak lag tended to be either gradual or to punctuate periods of stability. Conclusions: This study provides evidence of organized myocardial activation during human ventricular fibrillation.
引用
收藏
页码:616 / 624
页数:9
相关论文
共 27 条
[1]   THE MECHANISM OF TERMINATION OF REENTRANT ACTIVITY IN VENTRICULAR-FIBRILLATION [J].
CHA, YM ;
BIRGERSDOTTERGREEN, U ;
WOLF, PL ;
PETERS, BB ;
CHEN, PS .
CIRCULATION RESEARCH, 1994, 74 (03) :495-506
[2]   BIO-MEDICAL SIGNAL-PROCESSING (IN 4 PARTS) .1. TIME-DOMAIN METHODS [J].
CHALLIS, RE ;
KITNEY, RI .
MEDICAL & BIOLOGICAL ENGINEERING & COMPUTING, 1990, 28 (06) :509-524
[3]   MECHANISM OF VENTRICULAR VULNERABILITY TO SINGLE PREMATURE STIMULI IN OPEN-CHEST DOGS [J].
CHEN, PS ;
WOLF, PD ;
DIXON, EG ;
DANIELEY, ND ;
FRAZIER, DW ;
SMITH, WM ;
IDEKER, RE .
CIRCULATION RESEARCH, 1988, 62 (06) :1191-1209
[4]   CHANGES IN THE SURFACE ELECTROCARDIOGRAM DURING THE ONSET OF SPONTANEOUS VENTRICULAR-FIBRILLATION IN MAN [J].
CLAYTON, RH ;
MURRAY, A ;
CAMPBELL, RWF .
EUROPEAN HEART JOURNAL, 1994, 15 (02) :184-188
[5]  
CLAYTON RH, 1995, IN PRESS PACE
[6]   SPATIAL AND TEMPORAL LINKING OF EPICARDIAL ACTIVATION DIRECTIONS DURING VENTRICULAR-FIBRILLATION IN DOGS - EVIDENCE FOR UNDERLYING ORGANIZATION [J].
DAMLE, RS ;
KANAAN, NM ;
ROBINSON, NS ;
GE, YZ ;
GOLDBERGER, JJ ;
KADISH, AH .
CIRCULATION, 1992, 86 (05) :1547-1558
[7]  
DAVIDENKO JM, 1993, J CARDIOVASC ELECTR, V4, P730
[8]   THE MEDIAN FREQUENCY OF THE ECG DURING VENTRICULAR-FIBRILLATION - ITS USE IN AN ALGORITHM FOR ESTIMATING THE DURATION OF CARDIAC-ARREST [J].
DZWONCZYK, R ;
BROWN, CG ;
WERMAN, HA .
IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING, 1990, 37 (06) :640-646
[9]   A MASSIVELY PARALLEL COMPUTER-MODEL OF PROPAGATION THROUGH A 2-DIMENSIONAL CARDIAC SYNCYTIUM [J].
FISHLER, MG ;
THAKOR, NV .
PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY, 1991, 14 (11) :1694-1699
[10]  
HERBSCHLEB JN, 1979, COMPUT CARDIOL, P59