| The fetal heart monitor tracing in pregnancies complicated by fetal thyrotoxicosis. | |
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MedLine Citation:
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PMID: 19067279 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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Fetal tachycardia caused by the transplacental passage of thyroid stimulating immunoglobulin is well established, but very little information exists regarding the fetal heart rate appearance of this form of tachycardia. Two cases of fetal tachycardia are described in pregnancies complicated by fetal thyrotoxicosis where maternal thyroid history was unknown at the time of testing. For each pregnancy, the fetal heart monitor tracing is depicted and described. In both cases, the initial fetal heart rate pattern demonstrated a sustained baseline of 170 to 180 beats per minute with moderate variability that exhibited accelerations with a lack of decelerations. The tracings were essentially normal except for the baseline rate. When reviewing the differential for fetal tachycardia presenting in the antenatal period, this pattern is unique to fetal thyrotoxicosis, especially if the mother is afebrile and there is no history of medication usage that could explain this presentation. |
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Authors:
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Craig V Towers; Steven Thomas; Ralph M Steiger |
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Publication Detail:
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Type: Case Reports; Journal Article Date: 2008-12-09 |
Journal Detail:
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Title: American journal of perinatology Volume: 26 ISSN: 1098-8785 ISO Abbreviation: Am J Perinatol Publication Date: 2009 May |
Date Detail:
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Created Date: 2009-05-29 Completed Date: 2009-09-03 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8405212 Medline TA: Am J Perinatol Country: United States |
Other Details:
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Languages: eng Pagination: 373-7 Citation Subset: IM |
Affiliation:
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Long Beach Memorial Women's Hospital, Long Beach, California, USA. drtowers@rbcpress.com |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Adult Antithyroid Agents / therapeutic use Cardiotocography* Female Follow-Up Studies Heart Rate, Fetal* / drug effects Humans Pregnancy Pregnancy Complications* / diagnosis, drug therapy Pregnancy Outcome Propylthiouracil / therapeutic use Tachycardia / diagnosis*, etiology* Thyrotoxicosis / complications*, diagnosis, drug therapy Thyroxine / therapeutic use Treatment Outcome |
| Chemical | |
Reg. No./Substance:
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0/Antithyroid Agents; 51-52-5/Propylthiouracil; 7488-70-2/Thyroxine |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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