EIF: If you are referring to an 'echogenic intracardiac focus', seen in a fetus during a sonogram- then it is essentially a bright white spot, seen within a chamber of the baby's heart, having the same brightness as bone. It is considered a 'soft' marker for down's syndrome.It is present in 15-30% of fetuses that have down's syndrome, and ~5% of normal fetuses. Additional testing (amnio, harmony, mat21.
Answered 7/28/2013
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