An isolated echogenic heart focus is a low-level risk marker for Down syndrome.
Harris J
HJ
Finberg
D000328:Adult; D000649:Amniocentesis; D001499:Bayes Theorem; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005318:Fetal Heart / Q000002:abnormalities* / Q000000981:diagnostic imaging*; D006801:Humans; D016013:Likelihood Functions; D008403:Mass Screening / Q000379:methods / Q000706:statistics & numerical data; D011247:Pregnancy; D018570:Risk Assessment; D012307:Risk Factors; D018401:Sample Size; D014463:Ultrasonography