The liquid fills the air spaces and moves into the

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results in excess lung liquid. The liquid fills the air spaces and moves into the interstitium, where it pools in perivascular tissues and interlobar fissures until it is cleared by the lymphatics or absorbed into small blood vessels. The excess lung water in TTN results in decreased pulmonary compliance. Tachypnea develops to compensate for the increased work of breathing associated with reduced compliance. In addition, accumulation of fluid in the peribronchiolar lymphatics and interstitium promotes partial collapse of the bronchioles with subsequent air trapping. Continued perfusion of poorly ventilated alveoli leads to hypoxemia, and alveolar edema reduces ventilation, sometimes resulting in hypercapnia. Diagnosis The doctor will look at your pregnancy and labor history. He or she will also examine your baby and perform diagnostic tests. Tests may include: Blood tests, such as: Complete blood count—to look for signs of infection, such as pneumonia Blood culture—to look for signs of infection Blood gas determination—to check the oxygen level in the baby’s blood; may be repeated throughout the hospital stay Chest x-ray —a radiograph of the lungs used to check for causes of respiratory problems Pulse-oximetry monitoring—a piece of tape containing an oxygen sensor is placed on the baby’s foot. It is connected to a monitor that tells the doctor how well the lungs are working.
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  • Fall '19
  • Tachypnea

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