(Learn more about heart failure due to valve defect in dogs. Picture credit: megaflopp / Getty Images)

Heart Failure Due to Valve Defect in Dogs: Symptoms, Causes, & Treatments

Heart failure due to valve defect in dogs happens when the heart’s mitral valve doesn’t work properly. It’s the most common cause of heart failure in dogs.

Unfortunately, smaller breeds of dog are most at risk of the condition. Some of those breeds include Boston Terriers, Chihuahuas, and Whippets. Additionally, male dogs suffer from the condition slightly more than female dogs.

Technically, the condition is also called atrioventricular valve endocardiosis.

If you see the signs of the condition in your dog, then get to a veterinarian for a proper diagnosis and treatment.

Here’s what you should know about the symptoms, causes, and treatments for the condition.

Symptoms of Heart Failure Due to Valve Defect in Dogs

The condition produces a very wide range of symptoms. For instance, some of the most common symptoms include:

  • Coughing
  • Fainting
  • Cyanosis
  • Breathing problems
  • Lethargy
  • Losing consciousness
  • Losing weight
  • Panting
  • Avoiding exercise
  • Weakness

Causes of Heart Failure Due to Valve Defect in Dogs

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The cause of the condition is unfortunately unknown. However, the following factors seem to contribute to the condition:

Additionally, older dogs suffer from the condition more than younger dogs. Also, the following breeds of dog seem most predisposed to the condition:

  • Poodles
  • Boston Terriers
  • Pugs
  • Miniature Schnauzers
  • Whippets
  • Lhasa Apsos
  • Cavalier King Charles Spaniels
  • Pomeranians
  • Fox Terriers
  • Dachshunds
  • Chihuahuas

Treatments for the Condition in Dogs

Firstly, your vet will ask about your dog’s symptoms. Secondly, your vet will ask about your dog’s full medical history, including any problems specific to your dog’s breed.

Thirdly, a full physical examination will be carried out. Blood and urine tests will be taken. These tests can help to confirm a preliminary diagnosis of the condition. Additionally, an electrocardiogram (ECK) can further monitor your dog’s heart.

Treatment will depend on the severity of the condition. In some cases, a surgery to replace the mitral valve can be considered. In other cases, heart medication can be tried.

As always, if your vet prescribes your dog any medicine, make sure to stick to the correct dose and frequency instructions. Also, complete the full course of medicine.

Generally, sticking to a low sodium diet is advised for dogs with this condition. Your vet can help suggest a safe and appropriate diet for your dog. Additionally, your dog’s exercise might need to be restricted.

Have you ever cared for a dog who suffered from this condition? How did your vet help your dog recover? Let us know in the comments section below.

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