using a catheter to distiniguish between rf ablated and unablated cardiac tissue
DESCRIPTION
Using a catheter to distiniguish between RF ablated and unablated cardiac tissue. Samson Phan. Inside Preload 1. Inside Preload. Inside Preload. Inside Cooked. Inside Cooked Preload 1. Inside Preload 1. Outside. Outside1. Conclusions. Cooking effects. Stiffer - PowerPoint PPT PresentationTRANSCRIPT
Using a catheter to distiniguish between RF ablated and unablated cardiac tissue
Samson Phan
310 320 330 340 350 360 370 380 390 4000
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
Time
Vol
tate
Out
put [
V]
Inside Preload 1
Inside Preload
260 270 280 290 300 310 320 330 340 350 3601
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2
Time
Vol
tate
Out
put [
V]
1300 1400 1500 1600 1700 1800 1900 2000 2100 2200
1
2
3
4
5
6
7
8
9
x 10-5 Single-Sided Amplitude Spectrum of y(t)
Frequency (Hz)
|Y(f)
|
k-2k-1k
Inside Preload
260 270 280 290 300 310 320 330 340 350 3601
1.1
1.2
1.3
1.4
1.5
1.6
1.7
1.8
1.9
2
Time
Vol
tate
Out
put [
V]
Inside Cooked
2540 2550 2560 2570 2580 2590 2600 2610 2620 26300.5
1
1.5
2
X: 2596Y: 0.7871
Time
Vol
tate
Out
put [
V]
1400 1500 1600 1700 1800 1900 2000 21001
2
3
4
5
6
7
8
9
10x 10
-5 Single-Sided Amplitude Spectrum of y(t)
Frequency (Hz)
|Y(f)
|
k-2k-1k
1400 1500 1600 1700 1800 1900 2000 2100 22000
1
2
3
4
5
6
7
8
9
x 10-5 Single-Sided Amplitude Spectrum of y(t)
Frequency (Hz)
|Y(f)
|
k-2k-1k
810 820 830 840 850 860 870 880 8900.5
1
1.5
2
X: 808Y: 0.7937
Time
Vol
tate
Out
put [
V]
Inside Cooked Preload 1
310 320 330 340 350 360 370 380 390 4000
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
Time
Vol
tate
Out
put [
V]
Inside Preload 1
1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200
0
2
4
6
8
10x 10
-5 Single-Sided Amplitude Spectrum of y(t)
Frequency (Hz)
|Y(f)
|
k-2k-1k
1200 1400 1600 1800 2000 2200 24000
1
2
3
4
5
6
7
8
9
10x 10
-5 Single-Sided Amplitude Spectrum of y(t)
Frequency (Hz)
|Y(f)
|
k-2k-1k
Outside
600 800 1000 1200 1400 1600 1800 2000 2200 2400
0
10
20
x 10-5 Single-Sided Amplitude Spectrum of y(t)
Frequency (Hz)
|Y(f)
|
k-2k-1k
230 240 250 260 270 280 290 300 310 3200
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
Time
Vol
tate
Out
put [
V]
Outside1
70 80 90 100 110 120 130 140 150 160
0.2
0.4
0.6
0.8
1
1.2
1.4
1.6
1.8
Time
Vol
tate
Out
put [
V]
1400 1500 1600 1700 1800 1900 2000 2100 2200 2300
0
1
2
3
4
5
6
7
8
9
10x 10
-5 Single-Sided Amplitude Spectrum of y(t)
Frequency (Hz)
|Y(f)
|
k-2k-1k
Conclusions
Cooking effects• Stiffer• System becomes even more
damped