It is possible she had a heart murmur but grew out of it. I had a heart murmur when I was a born until around 5 when I grew out of it and I have had no other heart problems so I would think it would be/could be the same for a pup.
__________________  Taylor  My babies Joey, Penny , Ollie & Dixie   Callie Mae, you will forever be in my heart! |