9 - Fetaldistress LINQIDE 2005.9.5 Definition dioxide,...

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    Fetal distress LIN QI DE  2005.9.5
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Fetal distress is defined as depletion  of oxygen and accumulation of carbon  dioxide,leading to a state of   “hypoxia  and acidosis ”   during intra-uterine life.   Definition
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Maternal factors 1) Microvascular ischaemia(PIH) 2) Low oxygen carried by RBC(severe anemia) 3) Acute bleeding(placenta previa, placental  abruption)  4) Shock and acute infection 5) obstructed of Utero-placental blood flow   Etiology
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Placenta umbilical factors 1) Obstructed of umbilical blood flow 2) Dysfunction of placenta 3) Fetal factors 4) Malformations of cardiovascular system 5) Intrauterine infection  Etiology
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accumulation of carbon dioxide  ? Respiratory Acidosis ? FHR ?     FHR  ?   FHR  ?   ? Intestinal peristalsis ? Relaxation of the anal sphincter ? Meconium aspiration ? Fetal or neonatal pneumonia
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9 - Fetaldistress LINQIDE 2005.9.5 Definition dioxide,...

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