LAWRENCE GOULD, M.D., F.A.C.P.; ALAN F. LYON, M.D., F.A.C.P.
The preoperative diagnosis of mitral regurgitation and the estimation of its degree rest, ultimately, on the angiographic demonstration of radiopaque dye in the left atrium after injection in the left ventricle. Nonetheless, the greater availability of pressure data from the pulmonary arteries, pulmonary wedge, and left atrium has led to the use of pressure alterations at these sites in the evaluation of mitral regurgitation. A patient with significant mitral insufficiency is expected to have pulmonary hypertension, a tall V wave, and reduced X descent in the pulmonary wedge and left atrium. While the interpretation of these pressures has been recognized
GOULD L, LYON AF. Severe Mitral Regurgitation with Normal Pulmonary Artery Wedge Pressures. Ann Intern Med. 1967;66:748–752. doi: 10.7326/0003-4819-66-4-748
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Published: Ann Intern Med. 1967;66(4):748-752.
Cardiology, Valvular Heart Disease.
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