TRANSIENT TACHYPNEA

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T. TACHYPNEA OF A NEWBORN

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  • At birth, a newborn may have a rapid rate of respiration, up to 80 breathes / minute when crying

  • Within 1 hour, this rapid rate slows between 30-60 breaths / minute

  • The respiratory rate remains at a high level, between 80-120 breathes/ minute.

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S/S

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  • The infant does not appear to be in a great deal of distress, aside from the tiring effort of breathing so rapidly.

  • Has mild retractions but not marked cyanosis.

  • Mild hypoxia & hypercapnia

  • Feeding is difficult because the child cannot suck & breathe deeply at the same time.

  • Chest X-ray reveals some fluid in the central lung, but aeration is adequate.

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T. TACHYPNEA OF A NEWBORN

  • At birth, a newborn may have a rapid rate of respiration, up to 80 breathes / minute when crying

  • Within 1 hour, this rapid rate slows between 30-60 breaths / minute

  • The respiratory rate remains at a high level, between 80-120 breathes/ minute.

2
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S/S

  • The infant does not appear to be in a great deal of distress, aside from the tiring effort of breathing so rapidly.

  • Has mild retractions but not marked cyanosis.

  • Mild hypoxia & hypercapnia

  • Feeding is difficult because the child cannot suck & breathe deeply at the same time.

  • Chest X-ray reveals some fluid in the central lung, but aeration is adequate.

3
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CAUSES

  • Result from slow absorption of lung fluid

  • Reflect a slight decrease in production of phosphatidyl glycerol or mature surfactant

  • These factors limit the amount of alveolar surface area available to the infant for gas exchange

  • Thus, the infant must increase the respiratory rate & depth to better use the surface available.

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NURSING CARE

  • Close observation of the NB is the priority.

  • Watch carefully that increased effort in not tiring.

  • Watch for beginning signs of a more serious disorder because rapid RR is the first sign of respiratory obstruction.

  • Oxygen administration

  • Transient Tachypnea of the NB peaks at approximately 36 hours of life & slowly begins to fade at 72 hours as lung fluid is absorbed & respiratory activity becomes effective.