Question

premature babies have IRDS,how died this condition affects the infant respiratory system

premature babies have IRDS,how died this condition affects the infant respiratory system

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Answer #1

Answer

IRDS - Infantile respiratory distress syndrome

  • In premature babies, lungs are not fully developed.
  • The lungs (aveolar type II cells) in premature babies cannot secrete pulmonary surfactant.
  • Pulmonary surfactants helps in keeping the alveoli intact. It prevents collapsing of the alveoli.
  • Due to lack of surfactant, the lungs cannot expand much.
  • Sufficient quantity of air cannot enter the lungs needed for gaseous exchange.
  • Number of respiratry symptoms that arise due to lack of adequate breathing are :
    - Rapid respiratory rate
    - Laboured breathing
    - Hypoxemia
    - Flarring of alae nasi.
  • If left untreated, complications such as metabolic disorders, hypotention and brain injury might result.
  • This condition can also lead to death of the newborn.


In this way, IRDS affects the infant respiratory system.

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