How frightening for you to have such sudden and unexpected news on a routine vet's visit.
Mishathepooh is right, the loudness of the murmur does not always give a clear indication of the severity of the heart condition.
Many cavaliers live for many years after a murmur is first detected.
Read up on the subject, so you can understand a little bit about what is happening.
I'll keep everything crossed for Tuesday
Cavaliers......Faith, The Ginger Tank and Woody.
Japanese Chins.... Dandy, Benny, Bridgette and Hana.
Remembered with love......... Tommy Tuppence and Fonzi