a right ventral mid-sagittal view of the fetal trunk should be obtained and color flow mapping used to demonstrate the umbilical vein, ductus venosus and fetal heart.the probe is ideally focused so sampling is done where the umbilical vein joins the ductus venosus.variability in the heights of the S and D waves may indicate fetal breathing, which is normal, but wait for the fetus to be more still before evaluating.the fetus should be as still as possible. Radiographic assessment Ultrasound Technique Of all the pre-cardiac veins, the ductus venosus allows the most accurate interpretation of fetal cardiac function as well as myocardial hemodynamics 9. second and third-trimester scanning when there are concerns regarding.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |