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Table 1 Resulting perfusion parameters from phantom experiments with increasing A INJ showing an overestimation of K 1 resulting from increased areas underneath C M(PET) and decreasing areas of C A(PET). MRI perfusion estimations show consistent values at all activities

From: The effect of high count rates on cardiac perfusion quantification in a simultaneous PET-MR system using a cardiac perfusion phantom

 

PET

MRI

A INJ

K 1 (ml/g/min)

k 2 (1/min)

K 1 (ml/g/min)

k 2 (1/min)

252

2.83

1.47

1.40

1.63

398

2.91

1.45

1.43

1.79

594

2.80

1.61

1.44

1.51

804

3.60

1.90

1.38

1.73

997

3.92

1.78

1.48

1.75