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PXMOD Implementation

Acquisition and Data Requirements

Image Data

Dynamic cardiac H215O PET study (decay corrected).

TAC 1

Time-activity curve representing blood activity in the lungs.

Model Preprocessing

The lung TAC must be specified as a VOI or a file. It is then used together with the input parameters to calculate the expected TACs in the left ventricle (LV), the right ventricle (RV), and the myocardium.

PXMOD FA H2O Model Pre-processing Result

Delay Lung-RV

Left shift of the lung TAC to the time when the bolus arrived in the RV.

Delay Lung-LV

Right shift of the lung TAC to the time when the bolus arrived in the LV.

Delay Lung-Myo

Right shift of the lung TAC to the time when the bolus arrived in the myocardium.

Mean Perfusion

Expected mean perfusion of the myocardium.

Partition Coefficient

Partition coefficient of water in myocardium

The results of preprocessing is shown in the Results panel.

PXMOD FA H2O Model Pre-processing Result

Map Parameters

PXMOD FA H2O Model Parameters

Myo

The myocardium factor images which should represent an anatomical image of myocardium.

BV

Blood volume factor images which should show the blood volume.