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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Echogenic intracardiac focus ： ウィキペディア英語版 Echogenic intracardiac focus Echogenic intracardiac focus (EIF) is a small bright spot seen in the baby’s heart on an ultrasound exam. This is thought to represent mineralization, or small deposits of calcium, in the muscle of the heart. EIFs are found in about 3-5% of normal pregnancies and cause no health problems. EIFs themselves have no impact on health or heart function. Often the EIF is gone by the third trimester. If there are no problems or chromosome abnormalities, EIFs are considered normal changes, or variants. ==Association with birth defects== Researchers have noted an association between an EIF and a chromosome problem in the baby. Types of chromosome problems that are occasionally seen include trisomy 13 (Patau syndrome) or trisomy 21 (Down syndrome). In the case of an isolated EIF, and no other ultrasound findings, some studies show that the risk for a chromosome abnormality is approximately two times a woman’s background risk. Other studies report up to a 1% risk for Down syndrome when an EIF is seen on a second trimester fetal ultrasound exam. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Echogenic intracardiac focus」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.