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Atrioventricular canal defect (AVCD) Definition, Causes & Treatment

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Overview Atrioventricular canal defect (AVCD) or atrioventricular septal defect (AVSD) is a combination of heart problems resulting in a defect in the center of the heart. The condition occurs when there’s a hole between the heart’s chambers and problems with the valves that regulate blood flow in the heart. Sometimes called endocardial cushion defect or atrioventricular septal defect, atrioventricular canal defect is present at birth (congenital). The condition is often associated with Down syndrome. Atrioventricular canal defect allows extra blood to flow to the lungs. The extra blood forces the heart to overwork, causing the heart muscle to enlarge. Untreated, atrioventricular canal defect can cause heart failure and high blood pressure in the lungs. Doctors generally recommend surgery during the first year of life to close the hole in the heart and to reconstruct the valves. Types of atrioventricular canal defect There are two general types of AVCD that can occur, depending on whic

Scientists unearth something buried in the frozen ground of the Arctic for 1000's of years

Scientists revived a creature that was frozen in ice for 24,000 years It sounds like the plot from a cheese science fiction movie: Scientists unearth something that’s been buried in the frozen ground of the Arctic for tens of thousands of years and decide to warm it up a bit. The creature stirs as its cells slowly wake up from their long stasis. As time passes, the animal wakes up, having time-traveled 24,000 years thanks to its body’s ability to shut itself down once temperatures reached a certain low. It sounds too incredible to be true, but it is. In a new paper published in   Current Biology , researchers reveal their discovery of a microscopic animal frozen in the Arctic permafrost for an estimated 24,000 years. The creature, which would have lived in water during its previous life, was revived as the soil thawed. The discovery is incredibly important not just for the ongoing study of creatures found frozen in time here on Earth. The tiny creature is called a bdelloid rotifer. The

Google's new verification program for publishers and advertisers

Your Google Ads account is paused - Complete business operations verification Dear Advertiser, Google requires certain advertisers to undergo a verification program in order to ensure a safe and trustworthy ad experience for users. This verification program helps us learn about our advertisers’ business, the products and services they offer, and the relationships our advertisers have with advertised brands or third parties (if applicable). Learn more about the requirements for   business operations verification . In order to continue advertising using Google Ads, please complete the business operations   verification form   for your Google Ads account 564-801-3280 within 21 days from the date of this notification. Please note that during this time period, your account will remain paused. This means that all ads in your account will stop serving until you complete the verification program successfully. Learn more about   Google Ads Account Pausing   for Business Operations verification.