-7 year old Australian Shepherd mix

-presented for worsening weakness and exercise intolerance, pulses weak

-Possible history of grain – free diet but not consistently

-I was expecting to find DCM but my measurements give a %FS of 34%.

-LA:Ao of 1.8

-Normal PA size, no evidence of pulmonary hypertension

-Moderate mitral and mild tricuspid regurgitation

-Normal transaortic and transpulmonic flow

-7 year old Australian Shepherd mix

-presented for worsening weakness and exercise intolerance, pulses weak

-Possible history of grain – free diet but not consistently

-I was expecting to find DCM but my measurements give a %FS of 34%.

-LA:Ao of 1.8

-Normal PA size, no evidence of pulmonary hypertension

-Moderate mitral and mild tricuspid regurgitation

-Normal transaortic and transpulmonic flow

-These images are not great but do you have any insight on this case?  The clinical signs are not matching the echo results and I just want to make sure I am right to continue searching for a cause.

Thanks!