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OB Chapter 13 -

Apnea Cessation of breathing for 20 seconds or more
Ballard Method of estimating newborn maturity by physical and neurological characteristics
Bradycardia Heart rate lower than 100 bpm in the newborn
Bronchopulmonary dysplasia Condition that may cause an infant to have a prolonged dependence on a ventilator
Circadian rhythm Sleep pattern
Gestational Age Length of time spent in the uterus
Hypoglycemia Low blood glucose (blood sugar)level
Kangaroo Care Warming an infant by skin to skin contact
Kernicterus Nervous system damage caused by high levels of bilirubin in the blood
Neutral thermal environment Control of temp, air, surface temperature, and humidity to minimize an infants oxygen consumption
Preterm gestation Less than 38 weeks of gestation
Postterm gestation More than 42 weeks gestation
Sepsis Generalized infection
Surfactant Lung secretion that facilitates oxygen exchange
Term gestation 38 to 42 weeks gestation
Total parenteral nutrition Provision of full nutrition by the parenteral (IV) route
Preterm infants skin transparent and loose
Preterm infants superficial veins may be seen beneath the abdomen and scalp
Preterm infants subcutaneous fat there is a lack of subcutaneous fat
Preterm lanugo Fine hair covers the forehead, shoulders, and arms
Preterm vernix caseosa Abundant in preterms
Preterm sole creases The soles have few creases
Preterm abdomen Protrudes
Preterm nails Are short
Preterm genitalia Are small, in girls the labia majora may be open
Respiratory distress syndrome (RDS) Associated with an inadequate quantity of sufactant in the lungs
What age is the infant expected to have an adequate quantity of sufactant? 24 weeks
Two signs that may accompany apnea? 1.) bradycardia (HR less than 100 beats/min) 2.) cynosis
What seven factors make the preterm infant more vulnerable to loss of body heat than a term infant. Lack of brown fat Heat regulation center of brain is immature Sweat glands not functioning to capacity Inactive/weak, cannot shiver Metabolism is high, prone to hypoglycemia Posture of the infant Surface area large in proportion to body weight
Hypoglycemia in the term infant is a plasma glucose level of.. 40 mg/dL
Hypoglycemia in the preterm infant is a plasma glucose level of.. 30 mg/dL
Causes of preterm labor Multiple births, Maternal illness, Hazards of actual pregnancy, Placental abnormalities (placenta previa & Premature separation from the uterine wall, UTSs
Respiratory distress syndrome is also known as Hyaline membrane disease
Respiratory distress syndrom (RDS) aka hyaline membrane disease is.. Result of immature lungs, leads to decreased gas exchange.
Surfactant A fatty protein that is high in lecithin, its presence is necaessary for the the lungs to absorb oxygen
When does sufactant being to form? Begins to form at 24 weeks gestation
At what age should the fetus be able to breath adequately? 34 weeks gestation
What percentage of neonates deaths are a result of RDS 30%
Manifestations of RDS Resp increase to 60 breaths/min or higher, tachypnea maybe be accompanied by gruntlike sounds, nasal flaring, cyanosis, inercostal and sternal retractions. Edema, lassitude, and apnea occur as the condition worsens.
Definition of lassitude fatigue
If RDS is found before the woman is in labor what can be done? The mother may be given corticosteroids to stimulate lung maturity 1 to 2 days before delivery. (betamethasone)
What is the treatment for a preterm infant with RDS? Surfactant can administered via ET tube at birth or when symptoms of RDS occur
Surfactant production can be altered by.. Cold stress, hypoxia, poor tissue perfusion
What is the normal temp for a newborn? 97.8-98.9
Bronchopulmonary dysplasia (BPD) Toxic response of lungs to oxygen therapy
Apnea in the preterm infant is.. Not uncommon, believed to be related to immaturity of the nervous system
What can a nurse to when an infant has apnea Back rub, and rub babys feet
Definition of apnea Cessation of breathing for 20 seconds or longer
Sepsis Generalized infection of the bloodstream
Symptoms of sepsis Low temp, lethargy, poor feeding, resp. distress
Treatment of sepsis IV antimicrobials, maintenance of warmth and nutrition, close monitoring vital signs, help infant conserve as much energy as possible, follow standard precautions
What are the signs and symptoms of cold stress? Decreased skin temp, increased resp rate with periods of apnea, barycardia, mottling of skin, lethargy
Why are preterms more at risk for bleeding? Defcient in prothrombin
What is given in the nursery to help with blood clotting? Vitamin k
What is retinopathy of prematurity (ROP)?
Created by: aashleyy
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