Table 2

Spatial dynamics of AF sources

CharacteristicPersistent AFParoxysmal AFP
Baseline AF cycle length (at coronary sinus), ms170 ± 21189 ± 130.03
Patients with detected sources28/29 (97%)7/7 (100%)
Patients reaching acute endpoint24/29 (82.8%)7/7 (100%)
No. of concurrent AF sources2.4 ± 1.11.9 ± 0.70.23
No. of rotors, %a (LA/RA)74.1% (29/14)61.5% (6/2)
No. of focal impulses, %a (LA/RA)25.9% (15/0)38.5% (5/0)
FIRM time to AF termination, primary source/min4.5 ± 7.33.9 ± 4.10.86
Total FIRM time, all sources/min17.5 ± 10.57.7 ± 4.20.29
ECG analyses
XY phase lock0.12 ± 0.060.11 ± 0.020.60
XZ phase lock0.12 ± 0.040.11 ± 0.060.40
YZ phase lock0.14 ± 0.060.12 ± 0.040.53
X (ECG I) DF/Hz4.90 ± 1.044.85 ± 1.170.91
X (ECG I) organization index0.39 ± 0.150.34 ± 0.060.35
Y (ECG aVF) DF/Hz5.22 ± 0.885.42 ± 0.460.56
Y (ECG aVF) organization index0.41 ± 0.210.33 ± 0.140.35
Z (ECG V1) DF/Hz5.32 ± 1.165.20 ± 0.630.80
Z (ECG V1) organization index0.42 ± 0.160.32 ± 0.180.17
CharacteristicPersistent AFParoxysmal AFP
Baseline AF cycle length (at coronary sinus), ms170 ± 21189 ± 130.03
Patients with detected sources28/29 (97%)7/7 (100%)
Patients reaching acute endpoint24/29 (82.8%)7/7 (100%)
No. of concurrent AF sources2.4 ± 1.11.9 ± 0.70.23
No. of rotors, %a (LA/RA)74.1% (29/14)61.5% (6/2)
No. of focal impulses, %a (LA/RA)25.9% (15/0)38.5% (5/0)
FIRM time to AF termination, primary source/min4.5 ± 7.33.9 ± 4.10.86
Total FIRM time, all sources/min17.5 ± 10.57.7 ± 4.20.29
ECG analyses
XY phase lock0.12 ± 0.060.11 ± 0.020.60
XZ phase lock0.12 ± 0.040.11 ± 0.060.40
YZ phase lock0.14 ± 0.060.12 ± 0.040.53
X (ECG I) DF/Hz4.90 ± 1.044.85 ± 1.170.91
X (ECG I) organization index0.39 ± 0.150.34 ± 0.060.35
Y (ECG aVF) DF/Hz5.22 ± 0.885.42 ± 0.460.56
Y (ECG aVF) organization index0.41 ± 0.210.33 ± 0.140.35
Z (ECG V1) DF/Hz5.32 ± 1.165.20 ± 0.630.80
Z (ECG V1) organization index0.42 ± 0.160.32 ± 0.180.17

aLA, left atrium; RA, right atrium.

Table 2

Spatial dynamics of AF sources

CharacteristicPersistent AFParoxysmal AFP
Baseline AF cycle length (at coronary sinus), ms170 ± 21189 ± 130.03
Patients with detected sources28/29 (97%)7/7 (100%)
Patients reaching acute endpoint24/29 (82.8%)7/7 (100%)
No. of concurrent AF sources2.4 ± 1.11.9 ± 0.70.23
No. of rotors, %a (LA/RA)74.1% (29/14)61.5% (6/2)
No. of focal impulses, %a (LA/RA)25.9% (15/0)38.5% (5/0)
FIRM time to AF termination, primary source/min4.5 ± 7.33.9 ± 4.10.86
Total FIRM time, all sources/min17.5 ± 10.57.7 ± 4.20.29
ECG analyses
XY phase lock0.12 ± 0.060.11 ± 0.020.60
XZ phase lock0.12 ± 0.040.11 ± 0.060.40
YZ phase lock0.14 ± 0.060.12 ± 0.040.53
X (ECG I) DF/Hz4.90 ± 1.044.85 ± 1.170.91
X (ECG I) organization index0.39 ± 0.150.34 ± 0.060.35
Y (ECG aVF) DF/Hz5.22 ± 0.885.42 ± 0.460.56
Y (ECG aVF) organization index0.41 ± 0.210.33 ± 0.140.35
Z (ECG V1) DF/Hz5.32 ± 1.165.20 ± 0.630.80
Z (ECG V1) organization index0.42 ± 0.160.32 ± 0.180.17
CharacteristicPersistent AFParoxysmal AFP
Baseline AF cycle length (at coronary sinus), ms170 ± 21189 ± 130.03
Patients with detected sources28/29 (97%)7/7 (100%)
Patients reaching acute endpoint24/29 (82.8%)7/7 (100%)
No. of concurrent AF sources2.4 ± 1.11.9 ± 0.70.23
No. of rotors, %a (LA/RA)74.1% (29/14)61.5% (6/2)
No. of focal impulses, %a (LA/RA)25.9% (15/0)38.5% (5/0)
FIRM time to AF termination, primary source/min4.5 ± 7.33.9 ± 4.10.86
Total FIRM time, all sources/min17.5 ± 10.57.7 ± 4.20.29
ECG analyses
XY phase lock0.12 ± 0.060.11 ± 0.020.60
XZ phase lock0.12 ± 0.040.11 ± 0.060.40
YZ phase lock0.14 ± 0.060.12 ± 0.040.53
X (ECG I) DF/Hz4.90 ± 1.044.85 ± 1.170.91
X (ECG I) organization index0.39 ± 0.150.34 ± 0.060.35
Y (ECG aVF) DF/Hz5.22 ± 0.885.42 ± 0.460.56
Y (ECG aVF) organization index0.41 ± 0.210.33 ± 0.140.35
Z (ECG V1) DF/Hz5.32 ± 1.165.20 ± 0.630.80
Z (ECG V1) organization index0.42 ± 0.160.32 ± 0.180.17

aLA, left atrium; RA, right atrium.

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