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Tag: "flows" at medical news

Defective heart valve causes problems

... and lower heart chambers can lead to AF. Blood flows backwards into the upper chamber in people with a leaky valve and this causes stress that can precipitate AF. In this study, a group of 500 patients with a leaky valve was focussed on carefully. Almost half developed AF within ten years. Since a leak...

Calcium-blocker delays atherosclerosis than beta-blockers

...hannel blocker decreases the rate at which calcium flows into cells and so interferes with the contraction of heart muscles. The beta-blockers make the heart beat more slowly. The researchers measured the development of atherosclerosis in the carotid arteries in the neck using ultrasound. In atherosclero...

Twisted bypass grafts work better

...ve difficlties, as in the blood vessels, the blood flows twisting and turning as the artery goes. However in case of a shunt, the blood flows unhindered that can lead to difference in change of flows, stagnant areas etc which can cause health...

A Drop a day Can Keep Glaucoma At Bay

Glaucoma occurs when the fluid that flows in and out of the eye drains too slowly, gradually increasing pressure inside the eye. A new study shows pressure-lowering eye drops may delay or possibly prevent // the onset of glaucoma in nearly 50 percent of blacks, who are at higher risk for d...

Health bonds to immunize the poor

...tries with predictable, stable and coordinated aid flows to finance the investments needed to reduce mortality related to poverty. If countries achieve the health goals set for 2015, more than 70 million children who live in the world's poorest countries will receive each year life-saving vaccines agains...

Heartburn drugs linked to bacterial diarrhea

...x disease, or GERD, which occurs when stomach acid flows into the esophagus, causing heartburn and ulcers. The drugs may be raising patients' risk of a severe bacterial infection that has increased quickly in frequency, Dr Dial said. “These drugs may make it easier to become infected if you've already ...

A taxi could increase your exposure to pollution

...processes affecting street and neighbourhood scale flows of air, traffic and people, and their corresponding interactions with the dispersion of pollutants. <br...

Bird Flu Could Claim 140 Million Lives: Report

...e large-scale collapse of Asia causes global trade flows to dry up and capital to flow to safe havens in North America and Europe,' the report said. The study, commissioned by the Lowy Institute think tank here, was released as Germany and Austria were added to the list of countries where the deadly H5N1...

IMF considers Bird Flu to be a Dark Cloud

...ignificant but temporary reduction" in net capital flows to emerging economies, the IMF said. The IMF urged countries that do not yet have bird-flu plans for their financial systems to establish emergency committees that include central bank officials. The report was based in part on informal discuss...

Sperm Cells attracted By Ovary Scent, Even in Weakened State

... liquid into a single chamber. Beyond the chamber, flows are split into three exit streams. Flow rate can be regulated simply by raising or lowering the height of the source medium, in this case a buffer solution. The researchers affixed a microscope and camera to the device and then recorded video of the ...

Preterm Babies Benefited from a New NI Spectroscopy

... preterm babies can auto-regulate blood and oxygen flows in the brain. This will greatly assist in caring for these babies, particularly those needing treatment for low blood pressure,’ Dr Wong said. Source: urekalert...

New Reflux Disease Technology More Comfortable, Not More Effective

...nformation to learn how often caustic stomach acid flows into the esophagus. "You're talking about a device that's kind of unsightly for the day that you are using it, and it's definitely irritating to your sinuses and your nose," Mark said. The newest pH monitoring technology works through a wireless ...

Atherosclerosis and its Mechanics

...e healthy direction, while disturbed and low blood flows caused stress fibers to form in an unhealthy, random orientation. Chien's group is now working to understand how both stretching and shear forces influence JNK activation. "We still need to limit the amount of cholesterol in our diet, especially th...

Samsung Develops Device to Measure Body Fat

...he body, measuring the voltage drop as the current flows up one arm and down the other. A body fat value serves as a main index to determine fatness, which is known to cause many adult diseases. Since fat occupies 17 percent of a human body and contains little water, it offers less electrical resistan...

New Screening System For Early Detection Of Dental Caries in Toddlers

...ours, is the major cause of ECC. The sugary liquid flows over the baby's upper front teeth and dissolves the enamel, causing decay that can lead to infection and cavities. ECC is rampant in minority communities, where access to dental care is uncommon. National estimates put up to 25 percent of minority ch...

Rare Transplant Gives B.C Youngster 4 New Organs

...ing parts of the operation is to ensure that blood flows properly once the new organs are installed. He said, "The most crucial time is when the blood vessels that supply the liver are opened up. For reasons we don't really understand, the patient can become unstable when the blood supply goes into the n...

Maharashtra warns against Mahim's 'miracle' water

... one must also consider that the Mithi river, too, flows into the Mahim creek," he added. Weekend reports of the Mahim creek's water tasting sweet sparked a flood of visitors near the Baba Maqdoom Dargah to witness and partake the "miracle" water. The Brihanmumbai Municipal Corporation (BMC) Saturday c...

Child death reduction needs five times more funds

...te. "If commitments are to be honoured, global aid flows will need to increase sharply during the next five years." According to the authors, an increase of $50bn is predicted in the overseas development aid by 22010. However, the real challenge is to make sure that improvement of women and child health ...

Chronic Kidney Disease Related To Mutant Gene

...se filtration units in each human kidney. As blood flows through a network of tiny capillaries in the glomerulus, excess water, salts and toxic molecules are removed and flushed out in urine, while important blood proteins like albumin are retained in the bloodstream. If the kidney's filtering units don't ...

Prestigious Wilson Award Goes To Yale Cell Biologist Joel Rosenbaum

...ol have now shown that these cilia bend when urine flows down the tubules, admitting calcium through the polycystins, which are mechano-receptors in the ciliary membrane. Through a signaling pathway, the calcium represses cell division,” said Rosenbaum. “If calcium does not flow in, because the cilia are m...

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