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Infant respiratory distress syndrome (IRDS), also known as surfactant deficiency disorder (SDD), [2] and previously called hyaline membrane disease (HMD), is a syndrome in premature infants caused by developmental insufficiency of pulmonary surfactant production and structural immaturity in the lungs.
Causes may include sepsis, pancreatitis, trauma, pneumonia, and aspiration. [1] The underlying mechanism involves diffuse injury to cells which form the barrier of the microscopic air sacs of the lungs , surfactant dysfunction, activation of the immune system , and dysfunction of the body's regulation of blood clotting . [ 5 ]
In fluid dynamics, the Hagen–Poiseuille equation is a physical law that gives the pressure drop in a fluid flowing through a long cylindrical pipe. The assumptions of the equation are that the flow is laminar viscous and incompressible and the flow is through a constant circular cross-section that is substantially longer than its diameter.
Kaitlyn Bristowe is defending her decision to get plastic surgery. With an Instagram post shared on Dec. 30, the Bachelor Nation star, 39, shut down criticism about her appearance and her ...
Enjoy a classic game of Hearts and watch out for the Queen of Spades!
A suspect is in custody after a knife attack at Grand Central 42 Street subway station in New York injured two with neck and wrist slashes.
Unlike its counterpart, the Occupational Safety and Health Administration, NIOSH's authority under the Occupational Safety and Health Act [29 CFR § 671] is to "develop recommendations for health and safety standards", to "develop information on safe levels of exposure to toxic materials and harmful physical agents and substances", and to "conduct research on new safety and health problems".
A man wanted for questioning in the death of a woman set ablaze on a subway train is seen in a combination of still images from surveillance video in New York City on Dec. 22, 2024.