Transient Tachypnea of the Newborn (TTN)
In the womb, your baby gets oxygen from your placenta. Since your baby doesn’t have to breathe, their lungs are filled with fluid. During and after birth, some of this fluid is pushed out. The baby's lung tissue absorbs the rest. Transient tachypnea (TTN) occurs when too much fluid is left in the lungs after the birth. It's also referred to as retained fetal lung fluid. This makes it hard for the baby to take in air. Your baby breathes harder and faster to get enough air. The main symptom of TTN is tachypnea (rapid breathing, more than 60 breaths per minute for a newborn). Transient means passing with time. A newborn usually has TTN for only a short time.
How is TTN diagnosed?
A healthcare provider may first listen to the baby’s chest or breathing pattern. A chest X-ray can often find excess fluid in the lungs and make sure there are no other problems that may be causing trouble breathing. Healthcare providers can measure the level of oxygen in the baby’s blood with a device (pulse oximeter) taped to the baby’s hand or foot. A blood test may also be done to measure the amount of oxygen in the blood. The pulse oximeter or blood test shows whether the baby needs extra oxygen.
What are the treatments for TTN?
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Oxygen flow meter, Nasal cannula |
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CPAP machine |
Healthcare providers check your baby’s pulse, breathing, and blood oxygen levels. This helps to make sure they are in a safe range. Healthcare providers may give your baby oxygen, using:
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A nasal cannula (soft tubes fixed under the baby’s nostrils)
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An oxygen hood (a clear plastic box that fits around the baby’s head)
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A CPAP (continuous positive airway pressure) machine. This machine pushes a small amount of air continuously into the baby’s lungs. It helps hold open the airways and clear fluid. The air is blown through a mask that goes over the baby's nose or small plastic tongs that goes into the baby's nose. CPAP may be used with or without supplemental oxygen.
What are the long-term effects?
In most cases, TTN causes no complications and clears up within 72 hours. Breast or bottle feeding may not be possible until your baby is able to breathe normally. There are no known long-term effects on your baby’s lungs. Your baby’s healthcare provider can tell you more about your baby’s situation.
Online Medical Reviewer:
Donna Freeborn PhD CNM FNP
Online Medical Reviewer:
Liora C Adler MD
Online Medical Reviewer:
Stacey Wojcik MBA BSN RN
Date Last Reviewed:
12/1/2022
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