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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.
Adult diagnosis is based on a PaO 2 /FiO 2 ratio (ratio of partial pressure arterial oxygen and fraction of inspired oxygen) of less than 300 mm Hg despite a positive end-expiratory pressure (PEEP) of more than 5 cm H 2 O. [1] Cardiogenic pulmonary edema, as the cause, must be excluded. [4]
The cause for BRUEs is often unknown, although some of the more common causes include gastroesophageal reflux, seizure, and child maltreatment. Evaluation after an ALTE or BRUE is diagnostically important, as some events represent the first sign or symptom of an underlying medical condition. [ 1 ]
Physiological causes include fainting, sleep disorders, and heart arrhythmias. [2] [3] Psychological causes are known as psychogenic non-epileptic seizures. [3] Diagnosis may be based on the history of the event and physical examination with support from heart testing and an EEG. [3]
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.
Type A: augmented pharmacological effects, which are dose-dependent and predictable [5]; Type A reactions, which constitute approximately 80% of adverse drug reactions, are usually a consequence of the drug's primary pharmacological effect (e.g., bleeding when using the anticoagulant warfarin) or a low therapeutic index of the drug (e.g., nausea from digoxin), and they are therefore predictable.
Events can be organized into categories after the experiment based on the subjects behavior; The occurrence of events can be defined by the subject; Sometimes the blocked event design cannot be applied to an event. Treating stimuli, even when blocked, as separate events can potentially result in a more accurate model. Rare events can be ...
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 ...