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Volume 26(1), Spring 2016

Reprint paper*

Murmur intensity in small-breed dogs with myxomatous mitral valve disease

reflects disease severity

by Ingrid Bersås Ljungvall, Mark Rishniw, Francesco Porciello, Luca Ferasin and Dan G. Ohad

Wikimedia commons

Soft murmurs in

small dogs

 

According to this study, a clinician ausculting a soft mitral murmur in a small-breed dog with MMVD can reasonably conclude that the disease severity is mild and that CHF is extremely unlikely.

Objectives: To determine whether murmur intensity in small-breed dogs with myxomatous mitral valve disease reflects clinical and echocardiographic disease severity.

Methods: Retrospective multi-investigator study. Records of adult dogs ≤20 kg with myxomatous mitral valve disease were examined. Murmur intensity and location were recorded and compared with

echocardiographic variables and functional disease status.

Murmur intensities in consecutive categories were compared

for prevalences of congestive heart failure, pulmonary

hypertension and cardiac remodelling....

Read more ...

© with thanks to SLU

How would you rate this heart murmur?

Click on each of these for audio recordings and Doppler videos, and rate them as normal / mild / moderate / severe.

 

LA:Ao and heart murmur

Increasing murmur intensity is associated with increasing left atrial size, as determined by the left-atrial-to-aortic ratio (LA:Ao). The black line denotes the median value, the ...

... Read More