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Related Flashcards
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Cards In This Set
| Front | Back |
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What is the function of the Placenta?
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Transports nutrients from the mother and waste from the foetus by process of diffusion
Foetal organ |
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How does the foetus actively support self?
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Liver-produces albumin
Kidneys-Excretes urine into amniotic fluid Produces immunoglobulins Breathes- To develop lungs |
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Foetal Circulation?
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3 Shunts
1)Ductus Venosus 2) Foramen Ovale- closes upon first breath 3) Ductus Arteriosus- closes once baby is oxygenated |
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Foetal responses to asphyxia in labour?
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Redirection of blood- From skin, gut, muscles to brain, adrenals
Bradycardia Tachycardia |
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Causes of the compromised neonate?
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Foetal- Prematurity, infection, blood loss, cardiac defects
Maternal- PIH, diabetes, respiratory, heart and autoimmune diseases |
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Complications of Multiple births?
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Conjoined twins
Prematurity- 20-30% Malpresentation Congenital malformations SGA |
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Prevention of compromised neonate?
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Recognition of high risk pregnancy
Accuracy of gestational age Use of antenatal steriods Intrapartum foetal monitoring |
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Assessment of the compromised newborn?
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APGAR
Physical and neurological assessment Observations of behaviour Blood Gases |
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3 Classification of the Neonate?
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1)Birthweight
2)Gestational age 3)Weight |
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Define Birthweights?
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<2500gms- LBW
<1500gms- VLBW <1000 gms- ELBW <600 gms- VELBW |
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Factors effecting growth during gestation?
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Foetal/Maternal infection
Maternal work Maternal diet, smoking, alcohol, medications Attitude |
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Define gestational age?
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<37 weeks- Preterm
>41 weeks- Post-term 37-41 weeks- Term |
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Define Growth Chart percentiles?
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The average mean weight of a baby is within the 50th percentile- this is the average weight for this population
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AGA- Appropriate for gestational age?
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Weight of neonate is between the 90th and 10th percentile for gestation
Approximately 95% of neonatal population |
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SGA-Small for gestational age?
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Weight is 10th percentile for baby's gestation
Can also be IUGR- due to starvation in utero |
