It is a disease of the heart, caused by the deterioration of one of its valves. This dog heart murmur life expectancy guide is designed to give you hope and a better understanding of the diagnosis. Once a diagnosis is made, itâs important to understand that your dogâs life expectancy isnât necessarily related to the heart murmur. Cavalier King Charles Spaniels have an average lifespan that is shorter than other small breed dogs, averaging ten to twelve years. It has a silky, smooth coat and commonly a smooth undocked tail. Heart Murmur In 6 Week Old Cavalier King Charles Spaniel ... Posted December 6, 2008. To help lower the chance of your pup developing this, The Trained Cavalier health tests every adult prior to breeding them. They do have a few major health issues that cannot only be pricey to diagnose and treat, but could eventually lead to early death. From what Iâve read, a King Charles Cavalier Spaniel, lives about 10 years. With mitral valve disease (MVD), an important heart valve becomes faulty and doesn't fully close. Some Cavalier King Charles Spaniel breeders are recommending that any dog diagnosed with a heart murmur is put on Co-enzyme Q10. The Cavalier King Charles Spaniel is a great companion and popular pet. Paul Manktelow advises⦠Heart murmurs are commonly diagnosed in dogs, particularly in the Cavalier. While there are a plethora of health issues a Cavalier King Charles Spaniel may encounter. It is a genetic disease that appears in more than 50 percent of ⦠Mitral valve disease of the heart is the leading cause of death in Cavalier King Charles spaniels. My vet says my six-year-old Cavalier King Charles Spaniel has a heart murmur. These are the 5 Common Cavalier King Charles Spaniel Health Problems you need to be aware of.. As responsible pet owners, we must face the cold hard reality that our beloved canine companion isnât going to ⦠The Cavalier King Charles Spaniel breed, which has an average lifespan of 9 to 14 years, may suffer from minor health problems such as patellar luxation, and entropion, or major problems like syringomelia, mitral valve disease (MVD), and canine hip dysplasia . This is a natural medication which may be helpful in treating the disease. How serious could this be, and is it something that I should be worried about? Rest assured, dogs with heart murmurs often live long and healthy lives. Hi Everyone, I have put a deposit down to purchase a Cavalier King Charles Spaniel from a registered breeder. They have a tendency towards Heart issues. The Cavalier King Charles Spaniel is a small breed of spaniel classed in the toy group of The Kennel Club and the American Kennel Club, that originated in the United Kingdom.Since 2000, it has grown in popularity in the United States and ranks as the 19th most popular pure-breed in the United States. Unfortunately, they're genetically prone to developing a life-threatening heart valve disease. This lets blood flow backwards into the heart, ultimately causing heart failure. A dog that develops MVD lives typically only till around 10-11 years of age. How to improve a Cavalier King Charles Spaniel lifespan Heart disease. Sometimes retinal dysplasia is ⦠I put a lot of research into selecting a breeder as I wanted a reputable breeder that is concerned with genetic problems i.e. Many dogs live for years with a low grade murmur and treatment consists of dietary changes such as low sodium foods. Sadly, Mitral valve disease (MVD) can be quite a common disease in Cavalier King Charles spaniels. The average lifespan of a Cavalier King Charles Spaniel varies greatly between 9-14 years.