Printer Friendly
The Free Dictionary
1,082,655,541 visitors served.
?
Dictionary/
thesaurus
Medical
dictionary
Legal
dictionary
Financial
dictionary
Acronyms
 
Idioms
Encyclopedia
Wikipedia
encyclopedia
?

Aortic stenosis

   Also found in: Dictionary/thesaurus, Acronyms, Wikipedia, Hutchinson 0.06 sec.
aortic stenosis
n. Abbr. AS
Pathological narrowing of the orifice of the aortic valve.

Aortic stenosis
A stiffening of the artery which carries blood from the heart to the body.

aortic stenosis Cardiology Narrowing of the aortic annulus caused by degeneration and calcification of the valve leaflets; AS is more common and occurs earlier in Pts with underlying valve defects–eg, bicuspid valves; AS in previously normal valves develops after age 60 and is associated with HTN and hypercholesterolemia Etiology Rheumatic fever, congenital heart disease, idiopathic sclerosis Clinical Angina, syncope, CHF Hemodynamics Chronic stenosis leads to LV enlargement, CHF Examination Systolic ejection murmur radiating to the neck; in mild stenosis, the murmur peaks early in systole and is often associated with a thrill; with ↑ severity the murmur peaks progressively later in systole, and may become softer as cardiac output ↓ Diagnosis Doppler echocardiography indicates ↑ flow rates and ↓ total flow; catheterization, coronary angiography Management If asymptomatic, none needed except for prophylactic antibiotics to cover for infective endocarditis; valve replacement surgery; balloon valvotomy is only palliative. Cf Aortic regurgitation, Pulmonary stenosis.


How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content.
?Page tools
Printer friendly
Cite / link
Email
Feedback
Add definition
? Mentioned in ? References in periodicals archive
 
Physical examination showed a systolic murmur and an echocardiogram showed aortic stenosis.
Potential participants were excluded if they had poorly controlled or unstable cardiovascular disease, heart failure, uncontrolled arrhythmias, severe and symptomatic aortic stenosis, or uncontrolled casual blood glucose >200 mg/dL.
Congenital aortic stenosis puts individuals at risk of sudden death in physical activity.
 
Medical browser? ? Full browser
 
 
Medical Dictionary
?

Disclaimer | Privacy policy | Feedback | Copyright © 2008 Farlex, Inc.
All content on this website, including dictionary, thesaurus, literature, geography, and other reference data is for informational purposes only. This information should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional.. Terms of Use.