Report

MR PWV aortic phantom study.


General Info

Phantom is a tube with aortic shape, approximate length 50cm, diameter 2.5cm, filled with water.


Pumping rate 52 beats/minute.


MR venc 150.


Images

Phase Contrast (PC) image with calculated centerline and measuring positions equally spaced at 50mm apart (except for the last centerline section).


Charts

Velocity curves for each sampling position (index numbers of curves and positions match).


Tables

Table of lengths, time shifts and PWV results between each of the positions given by their index numbers (shown in columns). Cross-correlation method was used to determine the time shifts.

sheet[0] 0 4 5 6 7 8 9
Arrival time (ms) NA NA NA NA NA NA NA
Time interval (ms) 0 116.85 118.89 123.79 129.51 131.15 129.1
Length (mm) 0 200 249.99 300 350 399.99 450
PWV (m/s) 0 1.71 2.1 2.42 2.7 3.04 3.48
sheet[1] 0 4 5 6 7 8 9
Arrival time (ms) NA NA NA NA NA NA NA
Time interval (ms) -116.85 0 2.04 6.94 12.66 14.29 12.25
Length (mm) 200 0 49.99 99.99 149.99 199.98 249.99
PWV (m/s) -1.71 0 24.47 14.39 11.84 13.98 20.39
sheet[2] 0 4 5 6 7 8 9
Arrival time (ms) NA NA NA NA NA NA NA
Time interval (ms) -118.89 -2.04 0 4.9 10.62 12.25 10.21
Length (mm) 249.99 49.99 0 50 100 149.99 200
PWV (m/s) -2.1 -24.47 0 10.19 9.41 12.23 19.58
sheet[3] 0 4 5 6 7 8 9
Arrival time (ms) NA NA NA NA NA NA NA
Time interval (ms) -123.79 -6.94 -4.9 0 5.71 7.35 5.31
Length (mm) 300 99.99 50 0 50 99.99 149.99
PWV (m/s) -2.42 -14.39 -10.19 0 8.74 13.59 28.24
sheet[4] 0 4 5 6 7 8 9
Arrival time (ms) NA NA NA NA NA NA NA
Time interval (ms) -129.51 -12.66 -10.62 -5.71 0 1.63 -0.4
Length (mm) 350 149.99 100 50 0 49.99 99.99
PWV (m/s) -2.7 -11.84 -9.41 -8.74 0 30.58 -244.74
sheet[5] 0 4 5 6 7 8 9
Arrival time (ms) NA NA NA NA NA NA NA
Time interval (ms) -131.15 -14.29 -12.25 -7.35 -1.63 0 -2.04
Length (mm) 399.99 199.98 149.99 99.99 49.99 0 50
PWV (m/s) -3.04 -13.98 -12.23 -13.59 -30.58 0 -24.47
sheet[6] 0 4 5 6 7 8 9
Arrival time (ms) NA NA NA NA NA NA NA
Time interval (ms) -129.1 -12.25 -10.21 -5.31 0.4 2.04 0
Length (mm) 450 249.99 200 149.99 99.99 50 0
PWV (m/s) -3.48 -20.39 -19.58 -28.24 244.74 24.47 0

Table of lengths, time shifts and PWV results between each of the positions given by their index numbers (shown in columns). Rising slope foot of the curve marker method was used to determine the time shifts.

sheet[0] 0 4 5 6 7 8 9 10
Arrival time (ms) 54.4 154.47 154.39 190.17 193.59 216.86 217.6 218.65
Time interval (ms) 0 100.06 99.99 135.76 139.18 162.45 163.19 164.24
Length (mm) 0 199.99 250 300 350 399.99 449.99 480.66
PWV (m/s) 0 1.99 2.5 2.2 2.51 2.46 2.75 2.92
sheet[1] 0 4 5 6 7 8 9 10
Arrival time (ms) 54.4 154.47 154.39 190.17 193.59 216.86 217.6 218.65
Time interval (ms) -100.06 0 -0.07 35.7 39.12 62.39 63.13 64.17
Length (mm) 199.99 0 50 100 150 199.99 250 280.66
PWV (m/s) -1.99 0 -682.94 2.8 3.83 3.2 3.95 4.37
sheet[2] 0 4 5 6 7 8 9 10
Arrival time (ms) 54.4 154.47 154.39 190.17 193.59 216.86 217.6 218.65
Time interval (ms) -99.99 0.07 0 35.77 39.19 62.46 63.2 64.25
Length (mm) 250 50 0 50 100 149.99 199.99 230.66
PWV (m/s) -2.5 682.94 0 1.39 2.55 2.4 3.16 3.58
sheet[3] 0 4 5 6 7 8 9 10
Arrival time (ms) 54.4 154.47 154.39 190.17 193.59 216.86 217.6 218.65
Time interval (ms) -135.76 -35.7 -35.77 0 3.41 26.68 27.42 28.47
Length (mm) 300 100 50 0 50 99.99 149.99 180.66
PWV (m/s) -2.2 -2.8 -1.39 0 14.62 3.74 5.46 6.34
sheet[4] 0 4 5 6 7 8 9 10
Arrival time (ms) 54.4 154.47 154.39 190.17 193.59 216.86 217.6 218.65
Time interval (ms) -139.18 -39.12 -39.19 -3.41 0 23.26 24 25.05
Length (mm) 350 150 100 50 0 49.99 99.99 130.66
PWV (m/s) -2.51 -3.83 -2.55 -14.62 0 2.14 4.16 5.21
sheet[5] 0 4 5 6 7 8 9 10
Arrival time (ms) 54.4 154.47 154.39 190.17 193.59 216.86 217.6 218.65
Time interval (ms) -162.45 -62.39 -62.46 -26.68 -23.26 0 0.74 1.78
Length (mm) 399.99 199.99 149.99 99.99 49.99 0 50 80.66
PWV (m/s) -2.46 -3.2 -2.4 -3.74 -2.14 0 67.2 45.09
sheet[6] 0 4 5 6 7 8 9 10
Arrival time (ms) 54.4 154.47 154.39 190.17 193.59 216.86 217.6 218.65
Time interval (ms) -163.19 -63.13 -63.2 -27.42 -24 -0.74 0 1.04
Length (mm) 449.99 250 199.99 149.99 99.99 50 0 30.66
PWV (m/s) -2.75 -3.95 -3.16 -5.46 -4.16 -67.2 0 29.34
sheet[7] 0 4 5 6 7 8 9 10
Arrival time (ms) 54.4 154.47 154.39 190.17 193.59 216.86 217.6 218.65
Time interval (ms) -164.24 -64.17 -64.25 -28.47 -25.05 -1.78 -1.04 0
Length (mm) 480.66 280.66 230.66 180.66 130.66 80.66 30.66 0
PWV (m/s) -2.92 -4.37 -3.58 -6.34 -5.21 -45.09 -29.34 0

Report generated from WaVelocityApp
Made by Danilo Babin (IPI-TELIN-FirW-UGent, Belgium).