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According to the related link, Seaway News, "Rapid defibrillation and CPR can increase survival rates up to 70 percent. However, defibrillation must occur within the first few minutes.".
Allow for a more rapid defibrillation
Very rapid contractions or twitching of small muscle fibers in the heart often need to be stopped. A mechanism that does this is called a defibrillator. The act itself is call a defibrillation. Many times the top chambers of the heart go into fibrillation and are not as severe as the ones that occur in the bottom chambers called the ventricles. These must be stopped as quickly as possible.
If patients with atrial fibrillation experience rapid heart rate (rapid ventricular response) and are hemodynamically unstable (hypotension, altered mental status) then electrical cardioversion is appropriate. Defibrillation is never utilized in atrial fibrillation.
To scream and panic.
It is estimated that one language dies every two weeks. This means that languages are disappearing at a rapid rate, with many of them having few or no speakers left. It is important to document and preserve languages to ensure their survival for future generations.
While there is a lot known about Johnny Rapid in the media. His real name is still unknown to the public.
Rapid detection of disease exposure is important for several reasons. For many diseases, detecting the infection and beginning treatment early may reduce the severity of the symptoms or even prevent the disease completely. Rapid detection of disease exposure is also important to prevent further spread of the disease.
Polyploidy
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Ventricular tachycardia is the term for rapid heart rate starting in the ventricles. Any resting pulse rate over 100 in an adult is defined as tachycardia.
Adaptive radiation is one good explanation for rapid evolutionary change. When a dominant taxa goes extinct, such as the dinosaurs, the surviving species/taxa, such as the mammals have many niches that they can now fill, so any variation in individuals against immediate environments can lead to survival and reproductive advantages that translate into rapid allelic changes in populations; rapid evolutionary change.