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Author Question: P waves hidden inside the QRS are a hallmark of junctional rhythms originating ________ in the AV junction. (Read 280 times) |
Not getting enough sleep can greatly weaken the immune system. Lack of sleep makes you more likely to catch a cold, or more difficult to fight off an infection.
This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.