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Figure 1 | Journal of Cardiovascular Magnetic Resonance

Figure 1

From: Diastolic prolongation of forward flow in branch pulmonary artery stenosis

Figure 1

Averaged branch pulmonary artery flow curves of patients (A) and volunteers (B). In the patient group, systolic flow was lower and there was diastolic prolongation of forward flow in the stenosed relative to unstenosed branch. There is regurgitant flow from the unstenosed branch, as indicated by negative flow in diastole. In normal subjects, peak flow was equal in both branch arteries. Neither significant regurgitation nor a diastolic tail was seen in volunteers. RPA: right pulmonary artery; LPA: left pulmonary artery

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