Medicine an Surgery notes

Apr 25th, 2015
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RESPIRATORY DISTRESS SYNDROMEHyaline membrane disease (HMD) or the neonatal respiratory distress syndrome is the most common cause of respiratory failure in the first days after birth, occurring in 1 to 2% of newborn infants.Hyaline membrane disease results from the tendency of the alveoli and terminal bronchioles to collapse because of the absence of adequate amounts of surface-active material (lung surfactant) and the immature state of alveolarization of the lung acini.These two developmental conditions render the alveolar structure of the lung unstable. Alveoli may never open or may collapse during expiration, increasing greatly the effort needed to ventilate the lungs and creating increased venous admixture and hypoxemia.Hyaline membrane disease is a disease of development and therefore is self-limited, provided that the patient survives.In most instances, the surge of gluc

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