How Bad Is A Heart Murmur In Dogs?

by | Last updated on January 24, 2024

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A heart murmur occurs when there is turbulent blood flow within the heart. Some murmurs, especially those found in young puppies, can be ‘innocent' or ‘physiologic' and

will have no negative effects on your dog's health

. Young puppies with innocent heart murmurs will usually outgrow them by about 5 months.

When should I worry about a heart murmur in my dog?

If your dog has a heart murmur and you see coughing, congestion, change in breath sounds or rapid breathing, exercise intolerance, weakness or “fainting,” gray or blue gums, abdominal distention, or lethargy, you should most certainly seek medical attention.

How does a heart murmur affect a dog?

In addition, because the heart is not pumping effectively, these dogs can develop

profound weakness, lethargy, exercise intolerance and fainting

. Unfortunately, they can also pass away suddenly from abnormal heart beats (arrhythmias) from the diseased heart chambers.

Is a heart murmur in a dog fatal?

Is my dog in ? Heart murmurs with pathological heart diseases usually progress into congestive heart failure. This is a serious condition and

can be fatal

. Commonly, dogs that are in heart failure will have an accumulation of fluids in their lungs.

Is a heart murmur painful for dogs?

“An innocent or physiologic heart murmur is a heart murmur that has

no impact on the dog's health

.” An innocent or physiologic heart murmur is a heart murmur that has no impact on the dog's health.

Can you walk a dog with a heart murmur?

Dogs with a heart murmur are usually intolerant of hot and humid days so

take short walks very early in the day

. You can use more mental exercise activities in the summer to help keep their mind stimulated, such as puzzle games. The rest of the year you can set a schedule to suit your dog.

How can I help my dog with a heart murmur?


There is no direct treatment for heart murmurs in dogs, but the causes can often be treated, which may reduce the vibrations in the heart

. Your veterinarian will find the cause of the heart murmur and then form a treatment plan. Vets give heart murmurs in dogs a grade of I to VI.

What is a Stage 3 heart murmur in a dog?

Grades of heart murmurs in dogs

They are extremely soft in sound and barely audible. Grade 2 – A soft sound heard through the use of a stethoscope. Grade 3 –

Intermediate loudness and radiates to more than one location

. Grade 4 – These murmurs are moderate to intense and can be heard on each side of the chest.

What breeds of dogs are prone to heart murmurs?

  • Cavalier King Charles Spaniel. Adorable face, long ears, and hairy paws? …
  • Dachshund. Small yet spunky, Doxies are overflowing with personality. …
  • Doberman Pinscher. …
  • Boxer. …
  • Golden Retriever. …
  • Schnauzer. …
  • Great Dane. …
  • Irish Wolfhound.

How serious is a heart murmur in an older dog?

While they may sound scary, heart murmurs are

not always dangerous

. If your senior pup has a low-grade murmur and no accompanying symptoms, there is little cause to worry. Your vet will likely recommend monitoring your dog's condition to make sure it doesn't decline.

How much does it cost to treat a dog with a heart murmur?

General Cost to Treat Heart Murmurs in Dogs

Conditions that can be managed with medication alone may cost approximately

$100-$800

. On the other hand, some heart conditions, such as congenital defects may require surgery.

What are the symptoms of a dog dying from heart failure?

A dog with congestive heart failure may

cough, have trouble breathing, experience fatigue, loss of appetite, or might die suddenly

.

Should I put my dog down with congestive heart failure?

If the pet has a condition like congestive heart failure, or untreatable brain cancer — a disease that will, unchecked, lead to a painful death —

the recommendation may be for euthanasia sooner instead of later

.

Can a Grade 5 heart murmur in dogs life expectancy?


Some pups can live their entire life with a murmur and experience no issues, but if the condition is associated with underlying heart disease, it can be fatal

. In fact, the dog is at risk for developing congestive heart failure if the disease becomes severe.

What are the end stages of congestive heart failure in dogs?

  • Frequent coughing.
  • Coughing up foam, or bloody foam.
  • Labored breathing.
  • Lethargy.
  • Weakness, or inability to exercise.
  • Fainting episodes.
  • Distended abdomen.
  • Decrease in appetite.

Why do dogs with heart murmurs cough?

The most common clinical sign of congestive heart failure (CHF) is persistent coughing accompanied by difficulty breathing. This is due mainly to

pulmonary edema or the accumulation of fluid in the lungs

. The enlarged heart will also push against the trachea, causing irritation that can induce a cough.

How do you strengthen a dog's heart?


Frequent exercise

: Getting your dog adequate exercise including frequent cardiac exercise, helps keep your dog or cat healthy and happy. Consider walking, running, playing, swimming, hiking, or dog-related sports such as flyball and agility.

What is a heart cough in dogs?

by Margaret Sayer, DVM | Feb 16, 2018 | Blog Post, Cardiology. Coughing can be

a telltale sign that a dog with a heart murmur is experiencing heart failure

. When dogs have a heart murmur, their hearts can become enlarged and lose the ability to pump blood into their lungs and the rest of their body.

Are heart murmurs common in older dogs?

Older dog heart murmurs, diseases and problems are

fairly common

, and your senior dog may develop some type of heart disease… eventually. This is because the heart is a very complex organ. As your dog's body ages, so do the vital organs keeping the body going.

Rebecca Patel
Author
Rebecca Patel
Rebecca is a beauty and style expert with over 10 years of experience in the industry. She is a licensed esthetician and has worked with top brands in the beauty industry. Rebecca is passionate about helping people feel confident and beautiful in their own skin, and she uses her expertise to create informative and helpful content that educates readers on the latest trends and techniques in the beauty world.