Heart Disease in Dogs

About 10% of all dogs have heart disease.^₁

Most importantly, the incidence of heart disease increases dramatically with age. This is particularly the case in dogs with valvular heart disease:

• About 10% of dogs between the ages of 5 and 8 years can be
  affected³
  
  
• 20-25% of dogs between the ages of 9 and 12 years can be affected.³
  
  
• 30-35% of dogs more than 13 years can be affected³
  
  
• 75% of dogs over 16 years can be affected⁴