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Related Flashcards
Cards In This Set
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How long does it take for a baby to pass urine after birth
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Can be up to 24 hours
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What is the expected urine output for a neonate in the first couple of days
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Between 1-3mls/kg/hour
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Why does trans epidermal water loss (TEWL) increase with lower gestational age?
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Because of their thin, immature skin. It improves as skin matures.
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Whats the difference between TEWL between term and preterm baby
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TEWL is 15 times higher in 25 weeker than a term baby
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What is the expected body composition change in preterm and term baby
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It is expected for a preterm to lose up to 15% in their body weight and term babies to lose up to 10%.
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What happens if excess fluid is given to prem infants to 'prevent' this weight loss
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Increases the chance of morbidity, PDA, NEC and chronic lung disease
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How is fluid lost in preterm babies?
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As babies have larger surface area, more chance of loss, specially in preterms
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Each ml of water lost through the skin is accompanied by what?
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Its accompanied by 560 calories of heat loss
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What needs to be considered when prescribing fluids to neonate?
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Fluid in - volume and type of fluid
fluid losses - volume and type (stools, urine, insensible) disease processes body weight changes (excess weight gain may be tissue fluid rather than fat or muscle serum electrolytes |
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What is the usual 'recipe' for fluids for neonate?
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Start with 10% dextrose
may need to change % of dextrose depending on baby (eg small baby may need higher concentration) |
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How many mls/kg/day should you start with
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60ml/kg/day
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What are the common clinical problems
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Respiratory distress
PDA (patent ductus) |
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What are some more common clinical problems
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Birth asphyxia - anticipate renal failure, restrict fluid (30ml/kg/day), no Na supplementation, expect hypoglycaemia and may need to increase % dextrose
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How much does a fetus grow in utero per day?
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15g/kg/day, however cannot mimic this after births (aim for more than 20gms/day
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What are the energy requirements for term, preterm, IUGR babies?
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Term babies - 100kcal/kg/day
Preterm babies - 120kcal/kg/day IUGR babies - 140kcal/kg/day |
