20 May 2019 Symptoms appear in the first two to three hours after birth and usually disappear by the third or fourth day. It is caused by a delay in the reabsorption of foetal lung fluid by the pulmonary lymphatic system and / or by some degree of pulmonary immaturity. The signs of transient tachypnoea are: Expiratory moan; Increased respiratory rate; Nasal discharge; Intercostal retraction; Cyanosis. There are usually no other associated signs of illness. The newborn may need supplementary oxygen or even assisted ventilation in the most severe cases. Tachypnoea of the newborn is more frequent in the following situations: Newborn with some immaturity (close to 35-36 weeks); Newborn born by caesarian without labour; Newborn child of diabetic mother; Newborn large for his or her gestational age. This article was written with the support of physicians and other clinical professionals from the Hospital da Luz network. The content published in the Health Guide is intended for the general public and is provided for informational and educational purposes only. It does not replace individual medical assessment, diagnosis, or personalized clinical advice from a qualified healthcare professional. The content is produced or reviewed by physicians and other healthcare professionals at Hospital da Luz and is based on the knowledge available at the time of publication or the most recent update, as indicated at the beginning of each item.
