The cardio Z App calculates Z-scores for many fetal echocardiographic parameters. These include cross-sectional measurements of the size of cardiac chambers, valves and great arteries.
Fetal echocardiographic Z –scores calculated from the data of Schneider et al (2005)
Aortic isthmus and duct Z-scores calculated from the data of Pasquini et al (2007)
The App includes diagrams of how measurements were made in the reference used, so assistance with measurement technique is readily available. The example below is the method used for the sagittal view of the aortic arch