News tagged with heart valves
Arizona man is first to go home with a total artificial heart
(PhysOrg.com) -- An Arizona man has left hospital with a completely artificial heart beating in his chest. Father of three Charles Okeke, 43, from Phoenix is the first person to leave hospital with a Total ...
Medicine & Health / Medical research
May 28, 2010 |
4.7 / 5 (26) |
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Biodegradable synthetic resin replaces vital body parts
Researchers at the University of Twente (UT) have developed a new type of resin that can be broken down by the body. This new resin makes it possible to replicate important body parts exactly and make them ...
Jun 09, 2009 |
4.8 / 5 (25) |
6
Bacteria breakthrough is heaven scent
Bacteria are well-known to be the cause of some of the most repugnant smells on earth, but now scientists have revealed this lowest of life forms actually has a sense of smell of its own.
Aug 15, 2010 |
5 / 5 (7) |
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Tool-wielding robots crawl in bodies for surgery
Imagine a tiny snake robot crawling through your body, helping a surgeon identify diseases and perform operations.
May 29, 2012 |
4.3 / 5 (6) |
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'Beating' heart machine expedites development of new tools for heart surgery (w/Video)
A new machine developed at North Carolina State University makes an animal heart pump much like a live heart after it has been removed from the animal's body, allowing researchers to expedite the development ...
Medicine & Health / Medical research
May 12, 2009 |
4.2 / 5 (5) |
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Experimental diet pill shows promise, little risk
(AP) -- An experimental diet pill helped about half the people who tried it lose some weight and keep it off a year later, without the heart problems that some earlier drugs caused, a study found.
Medicine & Health / Medications
Jul 14, 2010 |
4.2 / 5 (5) |
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Study: Mini clip is safer than heart-valve surgery
(AP) -- Many Americans with leaky heart valves soon might be able to get them fixed without open-heart surgery. A study showed that a tiny clip implanted through an artery was safer and nearly as effective ...
Medicine & Health / Medical research
Mar 14, 2010 |
5 / 5 (3) |
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Study backs new heart valve without cracking chest
(AP) -- Thousands of older Americans who need new heart valves but are too frail to survive the surgery might soon get a chance at an easier option - a way to thread in an artificial aortic valve without ...
Medicine & Health / Medical research
Sep 22, 2010 |
5 / 5 (3) |
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Acne bug could be the cause of your infections
A bacterium which causes acne and is commonly found on the skin, is now known to cause infections all over the body. Propionibacterium acnes (P. acnes) has been associated with infections of artificial joints and heart valves ...
Medicine & Health / Diseases, Conditions, Syndromes
Jan 12, 2011 |
5 / 5 (3) |
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Procedure replaces heart valve, avoids open-heart surgery
Veronica Smith, 26, is the first person in Arizona to receive a new pulmonary valve without having open-heart surgery. The procedure was performed in the University Medical Center Cardiac Catheterization Laboratory.
Mar 11, 2011 |
4.7 / 5 (3) |
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Da Vinci surgical robot makes a tiny paper airplane
(PhysOrg.com) -- The da Vinci surgical robot may be best known for performing prostate, gynecological, and heart valve surgeries. But in its spare moments, as Dr. James Porter of the Swedish Medical Center ...
Apr 05, 2011 |
4 / 5 (3) |
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Heart valves implanted without open-heart surgery
An innovative approach for implanting a new aortic heart valve without open-heart surgery is being offered to patients at NewYork-Presbyterian Hospital/Columbia University Medical Center. Known as the PARTNER (Placement of ...
Jan 07, 2009 |
5 / 5 (2) |
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Elderly patients in need of heart valve replacements have alternative to surgery
Doctors at the University Heart Center in Hamburg, Germany successfully used transcatheter valve-in-valve implantation in elderly patients with degenerated bioprostheses in aortic and mitral position. This minimally invasive ...
Jun 15, 2010 |
5 / 5 (2) |
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Scientists solve a mystery of bacterial growth and resistance
Scientists at The Scripps Research Institute have unraveled a complex chemical pathway that enables bacteria to form clusters called biofilms. Such improved understanding might eventually aid the development ...
Apr 26, 2012 |
4.5 / 5 (2) |
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New aortic valve without open heart surgery
Siemens Healthcare developed a new, smart visualization and guidance technology, which facilitates implantation of an aortic replacement valve by means of a catheter. The technology spares patients the trauma ...
Dec 06, 2010 |
3 / 5 (2) |
0
Heart valve
In anatomy, the heart valves maintain the unidirectional flow of blood in the heart by opening and closing depending on the difference in pressure on each side. They are mechanically similar to reed valves.
There are four valves in the heart (not counting the valve of the coronary sinus, and the valve of the inferior vena cava):
For more information about Heart valve, read the full article at
Wikipedia.
This text uses material from Wikipedia and is available under the GNU Free Documentation License.
