Phase‐contrast cardiovascular magnetic resonance (PC‐CMR) quantification of intracardiac shunt (measuring the pulmonary to systemic flow ratio, Qp/Qs) is typically determined by measuring flow through planes perpendicular the pulmonary trunk (PA)… Click to show full abstract
Phase‐contrast cardiovascular magnetic resonance (PC‐CMR) quantification of intracardiac shunt (measuring the pulmonary to systemic flow ratio, Qp/Qs) is typically determined by measuring flow through planes perpendicular the pulmonary trunk (PA) and ascending aorta (Ao). This method is subject to error from presence of background velocity offsets and requires two scan acquisitions. We evaluated an alternate PC‐CMR technique for quantifying Qp/Qs using a single modified plane that encompasses both the PA and Ao.
Journal Title: Echocardiography
Year Published: 2019
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