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An erosion gully in Australia caused by rabbits, an unintended consequence of their introduction as game animals. In the social sciences, unintended consequences (sometimes unanticipated consequences or unforeseen consequences, more colloquially called knock-on effects) are outcomes of a purposeful action that are not intended or foreseen.
An example is benzodiazepines, a class of psychoactive drugs considered minor tranquilizers with varying hypnotic, sedative, anxiolytic, anticonvulsant, and muscle relaxant effects; paradoxically they may also create hyperactivity, anxiety, convulsions etc. in susceptible individuals.
AEs are classified as serious or non-serious; expected or unexpected; and study-related, possibly study-related, or not study-related. [2] For example, while a study that tests the effectiveness of a new blood pressure cuff for a period of 10 minutes might seem innocuous, the potential exists for the patient's skin to be irritated by the device.
They can be reversible or irreversible, and a compromise must be found by the physician and the patient between the beneficial or life-saving consequences of surgery versus its adverse effects. For example, a limb may be lost to amputation in case of untreatable gangrene, but the patient's life is saved.
A nuclear and radiation accident is defined by the International Atomic Energy Agency (IAEA) as "an event that has led to significant consequences to people, the environment or the facility." Examples include lethal effects to individuals, large radioactivity release to the environment, or a reactor core melt. [6]
Scott points to one popular – and often parodied – example being “pineapples”, as taken from one of Kevin Hart’s stand-up routines. View this post on Instagram A post shared by Scotty ...
In drug development, serious adverse event (SAE) is defined as any untoward medical occurrence during a human drug trial that at any dose Results in death; Is life-threatening; Requires inpatient hospitalization or causes prolongation of existing hospitalization; Results in persistent or significant disability/incapacity
Variations in healthcare provider training & experience [45] [52] and failure to acknowledge the prevalence and seriousness of medical errors also increase the risk. [53] [54] The so-called July effect occurs when new residents arrive at teaching hospitals, causing an increase in medication errors according to a study of data from 1979 to 2006.