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  2. Mitral regurgitation - Wikipedia

    en.wikipedia.org/wiki/Mitral_regurgitation

    Mitral regurgitation, also known as mitral insufficiency or mitral incompetence, is the backward flow of blood from the left ventricle, through the mitral valve, and into the left atrium, when the left ventricle contracts, resulting in a systolic murmur radiating to the left armpit.

  3. Heart valve dysplasia - Wikipedia

    en.wikipedia.org/wiki/Heart_valve_dysplasia

    Dogs and cats with tricuspid valve dysplasia often also have an open foramen ovale, an atrial septal defect, or inflammation of the right atrial epicardium. [1] In dogs, tricuspid valve dysplasia can be similar to Ebstein's anomaly in humans. [2] Mitral valve stenosis is one of the most common congenital heart defects in cats.

  4. List of dog diseases - Wikipedia

    en.wikipedia.org/wiki/List_of_dog_diseases

    Degenerative (myxomatous) mitral valve disease* is a common cause of congestive heart failure in dogs, especially small, older dogs. [48] The leaflets of the valve become thickened and nodular, leading to mitral valve regurgitation and volume overload of the left side of the heart.

  5. E/A ratio - Wikipedia

    en.wikipedia.org/wiki/E/A_ratio

    Presence of mitral valve abnormalities, e.g., mitral stenosis alters the pressure gradients and changes loading conditions of the left ventricle. Presence of aortic insufficiency - aortic incompetence results in a rapid rise in the left ventricular diastolic pressure, limiting the gradient across the mitral valve during diastole.

  6. Ostium primum atrial septal defect - Wikipedia

    en.wikipedia.org/wiki/Ostium_primum_atrial...

    The ostium primum atrial septal defect is a defect in the atrial septum at the level of the tricuspid and mitral valves. This is sometimes known as an endocardial cushion defect because it often involves the endocardial cushion, which is the portion of the heart where the atrial septum meets the ventricular septum and the mitral valve meets the tricuspid valve.

  7. Pimobendan - Wikipedia

    en.wikipedia.org/wiki/Pimobendan

    Pimobendan is indicated for the management of the signs of mild, moderate, or severe congestive heart failure in dogs due to clinical myxomatous mitral valve disease (MMVD) or dilated cardiomyopathy (DCM); [1] [7] and for use with concurrent therapy for congestive heart failure (e.g.,furosemide, etc.) as appropriate on a case-by-case basis. [1]

  8. Hypoplastic left heart syndrome - Wikipedia

    en.wikipedia.org/wiki/Hypoplastic_left_heart...

    There are three main anatomic variants of the disease differentiated by either stenosis or atresia of the aortic and mitral valve. [20] Mitral atresia and aortic atresia (MA-AA) subtype is the most severe form of HLHS resulting in no blood flow entering the left ventricle at all resulting in no possibility of left ventricular output. [20]

  9. Mitral valve prolapse - Wikipedia

    en.wikipedia.org/wiki/Mitral_valve_prolapse

    Mitral valve prolapse classification. Diagnosis of mitral valve prolapse is based on modern echocardiographic techniques which can pinpoint abnormal leaflet thickening and other related pathology. Echocardiography is the most useful method of diagnosing a prolapsed mitral valve. Two- and three-dimensional echocardiography is particularly ...