Prevalence of heart disease

Many dogs seen in primary care veterinary practices have some form of heart disease, and the number escalates as dogs get older.

  • Approximately 10% of all dogs have heart disease1
  • The prevalence of mitral valve disease increases dramatically with age
    • From 10% in younger (5–8 years) dogs2
    • Up to 75% of dogs over 16 years of age3