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Heart Disease in Dogs: Types, Treatment, and Holistic Care

Updated: Sep 17


A Cavalier King Charles Spaniels sitting outdoors

Heart disease in dogs is a serious health concern that affects countless pets worldwide.


Understanding the types of heart disease, recognizing the symptoms, and knowing the available treatment options are crucial for managing this condition. 


Holistic care plays a vital role in improving the quality of life for dogs with heart disease.


Topics:


What is Heart Disease in Dogs?


A Cavalier King Charles Spaniels sitting on a chair outdoor

Heart disease in dogs encompasses a range of conditions that affect the heart's ability to function properly. 


Heart diseases are congenital, meaning present at birth, or acquired, developing over time. 


The disease impacts various parts of the heart, including the muscles, valves, and rhythm, leading to a decreased ability to pump blood effectively throughout the body.


What Part of the Dog's Heart is Prone to Heart Disease?


Different heart diseases in dogs affect various parts of the heart. For example, heart valve disease often affects the mitral valve on the left side of the heart, while myocardial diseases impact the heart muscle.


Types of Heart Diseases in Dogs

A Doberman Pinscher sitting in a flower fields

Dogs suffer from various heart conditions, each affecting different aspects of the heart's structure and function. Some of the most common types of heart diseases in dogs are listed below.


  1. Heartworm Disease: Caused by a parasitic worm that lives in the heart and pulmonary arteries, heartworm disease leads to severe lung disease, heart failure, and organ damage.

  2. Heart Valve Disease: This occurs when the heart valves do not close properly, causing blood to leak backward, which reduces the heart's efficiency. It is a common form of heart disease in dogs, especially in older small breeds.

  3. Arrhythmias: These are irregular heartbeats caused by abnormal electrical impulses in the heart. They lead to poor circulation and are a sign of underlying heart disease.

  4. Congestive Heart Failure (CHF): CHF occurs when the heart is unable to pump blood effectively, leading to fluid accumulation in the lungs or other parts of the body. It is a common result of other heart diseases in dogs.

  5. Pericardial Disease: Involves the pericardium, the protective sac around the heart. Diseases affecting this area restrict the heart's ability to expand and contract properly.

  6. Myocardial Disease: Refers to diseases that affect the heart muscle itself, such as cardiomyopathy, which weakens the heart and reduces its ability to pump blood.

  7. Stenosis: This condition is characterized by the narrowing of the heart's valves or blood vessels, which obstruct blood flow and force the heart to work harder.

  8. Shunts: Abnormal blood flow patterns within the heart or between major blood vessels, often present at birth, lead to heart failure if not corrected.


What are the Symptoms of Heart Disease in Dogs?

Doberman Pinsche dogs sitting on a grassland

The symptoms of heart disease in dogs vary depending on the type and severity of the condition. Common heart disease symptoms in dogs are listed below.

  • Coughing, especially at night or after exercise

  • Difficulty breathing or shortness of breath

  • Fatigue or lethargy

  • Decreased appetite

  • Weight loss

  • Swelling in the abdomen or legs

  • Fainting or collapsing


Recognizing these early signs of heart disease in dogs is critical for timely intervention and management.


Do Dogs Experience Heart Attacks?


While dogs experience acute heart events, true heart attacks (myocardial infarctions) are rare. More commonly, dogs suffer from heart failure or other heart-related conditions that impair heart function.


Do Dogs Die from Heart Disease?


Yes, dogs die from heart disease, especially if it leads to severe heart failure or complications. Early detection and proper management are key to improving outcomes.


What Breeds of Dogs Are Prone to Heart Disease?


Certain dog breeds are more prone to heart disease, including Cavalier King Charles Spaniels (prone to mitral valve disease), Doberman Pinschers (dilated cardiomyopathy), Boxers (arrhythmogenic right ventricular cardiomyopathy), and some small breeds like Chihuahuas and Miniature Poodles.


How Is Heart Disease in Dogs Diagnosed?

A boxer dog running outdoors

Diagnosing heart disease in dogs typically involves a combination of a physical examination, listening to the heart and lungs with a stethoscope, and diagnostic tests such as X-rays, echocardiograms, electrocardiograms (ECG), and blood tests. 


These tests help veterinarians assess the heart's structure and function, determine the type of heart disease, and guide appropriate treatment.


How To Prevent Heart Disease in Dogs?

A Chihuahua dog walking in the yard

Preventing heart disease in dogs involves regular veterinary check-ups, maintaining a healthy diet and weight, ensuring regular exercise, and preventing infections that damage the heart. 


For conditions like heartworm disease, preventive medications are essential.


How Is Heart Disease in Dogs Treated?

A Miniature Poodle lying on a grassland

Treatment for heart disease in dogs depends on the type and severity of the condition. It includes medications to improve heart function, reduce fluid buildup, or manage symptoms. 


In some cases, surgical intervention or specialized procedures are necessary. Ongoing monitoring and adjustments to the treatment plan are often required to manage the disease effectively.


What is the Prognosis for Dog Heart Disease?


The prognosis for dogs with heart disease varies depending on the type and severity of the condition, how early it is detected, and how well it responds to treatment. With proper care and management, many dogs with heart disease lead comfortable lives.


By understanding the symptoms, types, and treatments of heart disease in dogs and the benefits of holistic care, pet owners better support their furry friends in living healthier, longer lives.


Holistic Management of Heart Diseases in Dogs

A dog with a food bowl on its mouth surrounded by foods high in Omega-3 fatty acids and supplements

Holistic care for dogs with heart disease focuses on supporting overall health and well-being. 


This includes dietary supplements, such as omega-3 fatty acids and antioxidants, herbal remedies, acupuncture, and chiropractic care. 


Stress reduction and maintaining a calm environment are also important for managing heart conditions in dogs.


Is Heart Disease in Dogs Be Treated at Home?


Many aspects of heart disease management in dogs are handled at home, including administering medications, providing a suitable diet, and ensuring appropriate exercise.


Regular veterinary check-ups are essential for monitoring the dog's condition and adjusting treatment as needed.

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