Sufrimiento fetal agudo

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  • Publicado : 13 de septiembre de 2010
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In medicine (obstetrics), the term fetal distress refers to the presence of signs in a pregnant woman[1]—before or during childbirth—that suggest that the fetus may not be well. Because of its lackof precision, the term is eschewed in modern obstetrics.[2]
Contents[hide] * 1 Signs and symptoms * 2 Causes * 3 Treatment * 4 References |
[edit] Signs and symptoms
Generally it ispreferable to describe specific signs in lieu of declaring fetal distress that include:
* Decreased movement felt by the mother
* Meconium in the amniotic fluid
* Non-reassuring patterns seen oncardiotocography:
* increased or decreased fetal heart rate (tachycardia and bradycardia), especially during and after a contraction
* decreased variability in the fetal heart rate* late decelerations
* Biochemical signs, assessed by collecting a small sample of baby's blood from a scalp prick through the open cervix in labor
* fetal metabolic acidosis
*elevated fetal blood lactate levels indicating the baby has a lactic acidosis
Some of these signs are more reliable predictors of fetal compromise than others. For example, cardiocartography can givehigh false positive rates, even when interpreted by highly experienced medical personnel. Metabolic acidosis is a more reliable predictor, but is not always available.
[edit] Causes
There are manycauses of "fetal distress" including:
* Breathing problems
* Abnormal position and presentation of the fetus
* Multiple births
* Shoulder dystocia
* Umbilical cord prolapse
*Nuchal cord
* Placental abruption
* Premature closure of the fetal ductus arteriosus
* Uterine rupture
[edit] Treatment
Instead of referring to "fetal distress" current recommendationshold to look for more specific signs and symptoms, assess them, and take the appropriate steps to remedy the situation.[2] Traditionally the diagnosis of "fetal distress" lead the obstetrician to...
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