Term
How much blood is delivered from the uterus to the vascular system during a U/C? |
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Definition
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Term
How much maternal cardiac output is increased during stage I & II of labor? |
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Definition
Stage 1: 10-15% Stage 2: 30-50% |
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Term
What happens to maternal blood flow during labor? |
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Definition
Blood flow ↓ in the uterine artery during contractions and is redirected to the peripheral vessels |
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Term
What happens to maternal BP & pulse when peripheral resistance occurs? |
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Definition
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Term
What happens to maternal BP in stage I of labor? |
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Definition
↑ 30 mm Hg systolic ↑ 25 mm Hg diastolic |
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Term
What happens to maternal BP in stage II of labor? |
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Definition
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Term
What are risk factors of supine hypotension? |
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Definition
multifetal, hydramnios, obesity, dehydration, hypovolemia |
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Term
What happens to maternal WBC during labor? |
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Definition
Increases to 25-30,000 mm secondary to stress, trauma |
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Term
What happens to the maternal Hgb and Hct during labor? |
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Definition
desire Hgb at least 11 g/dl Hct 33% or higher |
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Term
Why are women prone to thrombophlebitis during labor? |
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Definition
↑ plasma fibrinogen→ ↓ blood coag time→ ↑ clotting factors to protect against hemorrhage |
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Term
What may cause dehydration for mothers in labor? |
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Definition
Diaphoresis, ↑ insensible water loss through respirations, NPO status, and ↑ temp |
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Term
Why may voiding be difficult after labor? |
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Definition
anesthesia or pressure from presenting part that causes ↓ sensation of a full bladder |
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Term
Why might a woman have Proteinuria after labor? |
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Definition
-↑ in amino acids may exceed capacity of renal tubules absorption -may be renal damage caused by vasospasms of tubules |
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Term
What happens to the GI system because of labor? |
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Definition
1. GI motility and absorption with delay in stomach emptying 2. N & V with diarrhea in labor |
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Term
What happens to the maternal respiratory system in labor? |
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Definition
↑ O2 consumption, ↑ in resp. rate hyperventilation →respiratory alkalosis ↑ in pH, hypoxia, hypocapnia (↓CO2) 2nd Stage-O2 consumption ↑ → metabolic acidosis uncompensated by resp. alkalosis |
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Term
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Definition
polypeptide hormone-secreted in corpus luteum during pregnancy-can relax the symphysis, inhibit uterine contractions, and softens the cervix |
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Term
What is the separation of the pubis symphysis related to? |
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Definition
Pregnancy or delivery process (relaxin) |
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Term
Why might there be proteinuria during labor? |
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Definition
rapid breakdown of protein causes albumin to enter the urine |
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Term
What do endorphins cause during labor? |
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Definition
Euphoria, ↑ pain threshold, produce sedation |
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Term
What stage of labor may the patient not remember? |
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Definition
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Term
What could an increase of temperature represent in a laboring patient? |
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Definition
maternal efforts or infection |
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Term
What may cause exacerbation of pruritus? |
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Definition
may be related to cholestasis (arrest of the flow of bile) in pregnancy |
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Term
What causes changes in FHR? |
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Definition
maternal hydration, N & V, ↑ maternal temp, insensible water loss, maternal position, medications to mother, placental issues, post dates-calcifications, smoker/↑ BP-↓ placental size, velamentous insertion (umbilical cord attached to the membrane a short distance from the placenta, cord compression, maternal anxiety |
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Term
What is a precipitous delivery? |
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Definition
swift progression of 2nd stage of labor marked by rapid descent/expulsion of the fetus |
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Term
What happens to the thoracic cavity during labor? |
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Definition
It is squeezed, there may need to be more suction to clear the airway |
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