Case 9 — Figures of Severe Mitral Regurgitation

Schematic Drawing of Severe Mitral Regurgitation

Schematic diagram showing the hemodynamics of severe mitral regurgitation with a large regurgitant volume flowing from the left ventricle into a markedly enlarged left atrium.

Schematic Drawing of the Left Ventricle of a Dog with Severe Mitral Regurgitation

Schematic drawing of the left ventricle showing severe mitral regurgitation with marked eccentric hypertrophy and severely enlarged left atrium.

Two-Dimensional Echocardiogram from a Dog with Severe Mitral Regurgitation

Two-dimensional echocardiogram from a dog with severe mitral regurgitation showing a markedly enlarged left atrium and left ventricle.

Color Flow Doppler Echocardiogram from a Dog with Severe Mitral Regurgitation

Color flow Doppler echocardiogram from a dog with severe mitral regurgitation showing a large turbulent jet filling the left atrium.

Lateral Radiographs from Dogs with Severe Mitral Regurgitation

Lateral thoracic radiograph from a dog with severe mitral regurgitation showing marked cardiomegaly and severe left atrial enlargement.
Lateral thoracic radiograph from another dog with severe mitral regurgitation showing marked cardiomegaly and pulmonary edema.

DV Radiograph from a Dog with Severe Mitral Regurgitation

Dorsoventral thoracic radiograph from a dog with severe mitral regurgitation showing massive left atrial enlargement.
Schematic diagram illustrating pulmonary capillary wedge pressure and its relationship to left atrial pressure.
↑