Mitral Valve Stenosis in Animals - Circulatory System - MSD Veterinary Manual
www.msdvetmanual.com/circulatory-system/congenital-and-inherited-anomalies-of-the-cardiovascular-system/mitral-valve-stenosis-in-animals
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Mitral valve stenosis is a narrowing of the mitral valve orifice caused by abnormalities of the mitral valve
ongenital abnormality is rare in dogs and cats
left atrial enlargement and increases in pulmonary venous and capillary wedge pressures.
Pulmonary edema
syncope occurs in some cases.
increased resistance to left atrial outflow,
Pulmonary edema can develop
left atrial enlargement and increases in pulmonary venous
syncope occurs in some cases.
diastolic heart murmur that is typically low-grade (I-II/VI).
If concurrent mitral valve dysplasia is present, a systolic murmur with maximum intensity at the left cardiac apex
Radiographs demonstrate varying degrees of left atrial enlargement and pulmonary edema in animals with left-side CHF.
widened P waves (indicating left atrial enlargement) and supraventricular arrhythmias
Doming of the mitral valve leaflets toward the left ventricle during diastole, left atrial enlargement, and thickening of the mitral valve leaflets
Doppler echocardiography demonstrates turbulent diastolic flow across the mitral valve, b
Medical management of animals with mitral valve stenosis involves use of diuretics and dietary sodium restriction. Excessive diuresis should be avoided, because this can reduce cardiac output severely.
Surgical or interventional therapy
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