Tag: "beating" at medical news

Chemists Develop Probe To Detect Changes In Imaging Agents Inside Body

...concerns over their stability. "You have the heart beating and bumping, and you know howfragile the carbon fiber is. We tried it, and we didn't have anyproblems with it." Professor Heineman believes the probes could eventually beused to study other medically important compounds such as brainimaging agents an...

Planning Researcher Finds Best Neighborhoods Aren't Always Best At Preventing Infant Mortality

...an lowinfant mortality, but on those neighborhoods beating the odds. "The good news is that there are more neighborhoods that arebeating the odds than those which, against expectations, haverelatively high infant death rates, despite the safeguards ofeducational and economic stability," said Auffrey who wi...

Treatment Of Irregular Heartbeat Saves Money And Prevents Stroke In Older People

...small upper chambers of the heart quiverinstead of beating effectively. Blood isn't pumped completely out when theheart beats, allowing blood to pool and clot. If a piece of the blood clotblocks a blood vessel to the brain, a stroke results. According to the AmericanHeart Association, about 15 percent of ...

UCSF Study Finds DHEA Benefits Cardiovascular Function

...on individuals who take the drugwith high hopes of beating aging and disease, Zellner said. That is important,he said, because an increasing number of people are taking DHEA, yet its sale isunregulated by the FDA. The animal study, conducted on pigs, shows that DHEA can reverse theeffects of Endothe...

Rosenbaum discovers "hidden clue" on cardiogram

...rt cells oscillated out of phase with one another, beating asynchronously,leading to fibrillation and death. Their findings explain the link between T-wave alternans on the ECG and voltage changes occurring within individual heartcells. "What we find, if you look at the cardiac cell very carefully, is that t...

Wake Forest researchers develop new technique to diagnose narrowed heart arteries

...que to measure flow while the heartis stressed, or beating close to capacity. This is the ideal time to asses...h for 8 to 15 seconds, we get clearpictures of the beating heart," said Kerry Link, M.D., associate professor ofradiology and cardiology and a member of the re...

Risk factors for stroke after heart surgery identified

... two upper chambers of the heart quiver instead of beating effectively. Blood isn't pumped completely out of them when the heart beats, which allowsblood to pool and possibly clot. The clot can enter the circulatory systemwhere it encounters a narrowed artery and obstructs blood flow. Interestingly,researc...

Light alcohol use may protect against sudden cardiac death

... cardiac death usuallyoccurs when the heart begins beating too rapidly or chaotically to pump bloodefficiently. It claims the lives of about 250,000 Americans each year. Although these findings are considered significant, Albert says they shouldalone not be used to generate guidelines on drinking and heart ...

Mitral valve repair at Cedars-Sinai Medical Center gets Los Angeles dentist on the road to recovery

...ressive treatment. "I could tell that my heart was beating irregularly, and I called the paramedics," he remembered. " I was experiencing atrial fibrillation, and a defibrillator was used. I was then put on a fairly low dose of digoxen for six months and then, a few months later, I woke up with fibrillation ...

Scientists grow heart tissue in Bioreactor

...ee-dimensionalscaffold outside a living body began beating as one. "It was my most awesomelaboratory moment ever. No one had ever done this before," said Freed. That workwas completed in 1994 and published in 1997. The MIT work is key to engineering three-dimensional cardiac tissue that couldeventually be ...

MRI breakthroughs could lead to new tests for heart disease

...ce imaging (MRI) to view the heart during vigorous beating and todiagnose blocked arteries based on an abnormal pumping motion. The new test was made possible by speeding up the MRI scanner andcreating new software that allows for imaging that is very close to "real-time."Doctors can see heart moveme...

William Cohn, M.D., of Beth Israel Deaconess Medical Center, receives the 2000 Distinguished Inventor Award

...ble to perform coronary artery bypass surgery on a beating heart without the use of a heart-lung machine. The award will be presented June 28 in the Caucus Room of the Russell Senate Office Building in Washington, D.C. Traditionally, coronary artery bypass surgery involves stopping the heart and placing the ...

Chemist uses DNA to trigger an alternative chemotherapy method

...nd leave the others unharmed, and it is capable of beating the cancer even as it mutates. John-Stephen Taylor, Ph.D., professor of chemistry in Arts and Sciences at Washington University in St. Louis, and his research team have taken the first step to make this happen by designing a new approach to chemoth...

Tissue engineering could become new coronary bypass

...rt. The ribcage must be cut open, and the heart's beating is stopped during the procedure. However, this polymer may be able to grow new vessels on site with much less invasive surgery. Two naturally-occurring growth factor chemicals are key to the formation of proper blood vessels, VEGF, the Vascular Endo...

Beating heart bypass surgery reduces postoperative complications....

...ary artery bypass graft (CABG) surgery done on the beating heart reduces the risk of short-term complications...h conventional bypass surgery. CABG surgery on the beating heart (off-pump surgery) is increasingly being used when restoring coronary artery blood flow as an ...

Hazing underrecognized as cause of serious injury, says MGH physician

...g the types of hazing injuries Finkel mentions are beating or kicking to the point of traumatic injury or death, burning or branding, excessive calesthenics, being forced to eat unpleasant substances, and psychological or sexual abuse of both males and females. She notes that reported forms of coerced sexua...

Beta-blockers after heart surgery show double benefits

...hambers of the heart (the atria) quiver instead of beating effectively. Blood isn't pumped completely out of them, so it may pool and clot. If a piece of a clot leaves the heart and lodges in an artery leading to the brain, a stroke results. "Postoperative AF occurs in 25 percent to 40 percent of patients...

Landmark study results published in NEJM highlight breakthrough treatment for heart failure

...hich occurs when there is a time delay between the beating of the heart's two lower chambers, or ventricles. Cardiac resynchronisation therapy delivers electrical impulses to both sides of the heart to co-ordinate the contractions of the heart's ventricles and improve its efficiency to increase blood flow t...

Two drugs are better than one to prevent return of atrial fibrillation

...all, upper chambers of the heart quiver instead of beating effectively. Blood that isn't pumped out may pool and clot. If a piece of clot leaves the heart and lodges in an artery to the brain, a stroke results. Irbesartan is in a class of drugs called angiotensin II antagonists, or blockers. They are use...

High cholesterol elevates women's risk of stroke death

...all, upper chambers of the heart quiver instead of beating effectively. Blood in these chambers may form clots. If a clot leaves the heart and lodges in an artery to the brain, a stroke results. In addition, high cholesterol also contributes to plaque buildup in the blood vessels leading to the brain, as ...

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