valve

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  • noun

Words related to valve

a structure in a hollow organ (like the heart) with a flap to insure one-way flow of fluid through it

device in a brass wind instrument for varying the length of the air column to alter the pitch of a tone

the entire one-piece shell of a snail and certain other molluscs

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one of the paired hinged shells of certain molluscs and of brachiopods

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References in periodicals archive ?
The combination of those imaging techniques is useful to differentiate thrombus from tumour when the lesion appears to arise from a cardiac valve.
These patients were followed up for 3 days in ICU after undergoing operation on cardiac valves. Later on, the patients were divided into three groups on the basis of whether they had new onset AF, chronic AF or no AF, respectively.
It has the potential to help reduce the risk of patient complications generally caused by foreign material in the body, as well as the risk of repeated procedures normally needed for patients with existing replacement parts such as cardiac valves,1,2,3,4,5 therefore possibly lowering the overall healthcare costs.
Nevertheless, the fact that [approximately equal to] 20% of the cardiac valve tissues were PCR positive for Bartonella perhaps indicates that the bacteria had localized to the valves of infected coyotes.
The first successful cardiac valve operation was performed in 1912 by Tuffier [3] and the first successful mitral valve (MV) operation in 1923 by Cutler and Levine [4].
Geleophysic dysplasia is also characterised by heart problems, particularly abnormalities of the cardiac valves. These valves normally control the flow of blood through the organ.
Yasser Abu Zafiya, Physician who treated Al-Nadim in the Nablus Hospital: The patient arrived at the hospital in very critical condition, with a fever of 40 degrees and acute infections in two cardiac valves. He suffered from kidney and liver failure.
German toolmaker Kobelin Formenbau has developed a mould for injection moulding mechanical cardiac valves without subsequent rework.
Only cardiac transplant patients with valve regurgitation and those with prosthetic cardiac valves or prosthetic material used for valve repair, previous infective endocarditis, or congenital heart disease should receive prophylaxis, and only if the dental procedure involves manipulation of the gingival tissue or periapical region of the teeth, or perforation of the oral mucosa.
They includes patients with prosthetic cardiac valves or previous IE, or those with congenital heart defects.
The cardiac patients who should continue to receive antibiotics prior to dental procedures because of their increased risk for severe complications from IE are those with prosthetic cardiac valves or previous episodes of infective endocarditis, and heart transplant patients who have developed abnormal cardiac valves.
Other dopamine agonists may also have an impact on cardiac valves, although the clinical implications are unclear.
But unlike mammals and birds, crocodilians have special cardiac valves that sometimes shunt blood between the oxygenated and deoxygenated parts of the system (SN: 8/26/00, p.
Minocycline, a derivative of tetracycline, can also cause pigmentation in the skin, nails, oral mucosa, teeth, eyes, bones, cardiac valves, coronary vessels, substantia nigra, and atherosclerotic plaques.