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11 Cards in this Set
- Front
- Back
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What is the most immediate need for a newborn infant immediately following birth?
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Airway!
Suction & position to allow for gas exchange. |
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At what week gestation is there sufficient surfactant?
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35 weeks (L/S ratio 2:1)
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What is breathing initiation influenced by?
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Physical
Chemical Thermal Sensory |
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What physically influences the newborn to breathe?
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compression of fetal chest as it descends through birth canal
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What chemically influences the newborn to breathe?
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*Cord clamped
placental gas exchange stops > PaCo2 < PaO2 & pH |
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Explain the chemical message that responds to changes causing the newborn to breathe...
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Chemical changes stimulate the carotid & aortic *chemoreceptors* - send impulses to respiratory center - this stimulates respirations
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What thermally influences the newborn to breathe?
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The decrease in temp from inside the uterus to outside (< of 20 degrees)
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What sensory changes influence newborn to breathe?
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auditory
visual tactile stimulus |
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What is the normal newborn heart rate?
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100-160 bpm
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Is an irregular heart rate in a newborn cause for alarm?
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No
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Where do you palpate on extremities for pulse in newborn?
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Brachial
Femoral |
