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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 ]
N.E.R.D.S. is a children's pentalogy written by Michael Buckley and illustrated by Ethen Beavers.The series tells the story of a fictional spy agency and its agents—children who have their "nerdy" characteristics upgraded into a tool that they can use to fight crime.
The cause is not fully understood, but evidence suggests that raised oxygen levels at the lens may be caused by deterioration of the vitreous humour due to age, and this causes degradation of lens crystallins by cross-linking, forming aggregates capable of scattering light. This may be an end-state development of the more commonly observed ...
These plates, called tectonic plates, can push against each other. Earthquakes are most common along fault lines, which are fractures that allow the plates to move.
12,000 due to unnecessary surgery; 7,000 due to medication errors in hospitals; 20,000 due to other errors in hospitals; 80,000 due to nosocomial infections in hospitals; 106,000 due to non-error, negative effects of drugs; Based on these figures, iatrogenesis may cause as many as 225,000 deaths per year in the United States (excluding ...
Criticality accidents are divided into one of two categories: Process accidents, where controls in place to prevent any criticality are breached;; Reactor accidents, which occur due to operator errors or other unintended events (e.g., during maintenance or fuel loading) in locations intended to achieve or approach criticality, such as nuclear power plants, nuclear reactors, and nuclear ...
The scientific consensus is that the main cause of the End-Permian extinction event was the large amount of carbon dioxide emitted by the volcanic eruptions that created the Siberian Traps, which elevated global temperatures. The formation of large igneous provinces by flood basalt events could have: