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Transcatheter Mitral Valve Replacement With Atrial Fixation for Treatment of Atrial Functional Mitral Regurgitation

Circulation: Cardiovascular Interventions

BACKGROUND:Many patients with atrial functional mitral regurgitation are not suitable candidates for surgery or transcatheter repair. Technical success and mitral regurgitation reduction from severe to none/trace were achieved in all cases. There were no cases of left ventricular outflow tract obstruction.

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Basics of Echocardiography

All About Cardiovascular System and Disorders

The image shown here is an animated 2 dimensional echocardiogram. This one is an older mode known as time-motion mode or M-Mode echocardiogram. Tracing in the lower part is tissue Doppler imaging from the medial mitral annulus. A good knowledge of the anatomy of the heart is needed for interpretation of images from each view.

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Hypertrophic Cardiomyopathy

All About Cardiovascular System and Disorders

The post ectopic increase in the murmur is a hallmark of hypertrophic obstructive cardiomyopathy, which differentiates it clinically from mitral valve prolapse. Echocardiography in HCM Important echocardiographic features include mitral regurgitation and left ventricular outflow tract obstruction.

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A young patient with diminishing pain with a subtle but diagnostic ECG.

Dr. Smith's ECG Blog

Compare to the anatomy after stenting: The lower of the 2 now easily seen branches is the circumflex, now with excellent flow. Next day echocardiogram showed inferolateral hypokinesia with an EF of %45-50. This is seen just millimeters beyond the tip of the catheter. The patient recovered well. His peak troponin was over 5000 ng/L.