Shelter Dog Meal Donation Count:

Learn More

7 Dog Breeds Most Prone to Heart Disease

By: Arlene Divina
Arlene Divina, one of the content writers at IHD, loves going on adventures with her adorable fur baby. She now creates informative content for pet parents. Read more
| October 7, 2024

Shutterstock

Heart disease is a significant health concern for certain dog breeds, much like it is in humans. While some dogs may develop heart conditions as they age or due to lifestyle factors, many are genetically predisposed to these issues. Understanding which breeds are more prone to heart disease can help pet owners take proactive steps, such as regular monitoring, adopting heart-healthy habits, and seeking early veterinary care. By staying informed, owners can better manage these risks and ensure their dogs live longer, healthier lives despite any genetic predispositions.

Cavalier King Charles Spaniel

Shutterstock

The Cavalier King Charles Spaniel is one of the most affectionate and gentle dog breeds, but unfortunately, they are highly prone to heart disease—specifically mitral valve disease (MVD). MVD occurs when the mitral valve in the heart deteriorates, leading to heart enlargement and eventual heart failure. This condition affects a significant number of Cavaliers, with many developing symptoms by middle age. Regular veterinary check-ups and early detection can help manage the disease. Still, it’s important for owners to be aware of the signs, such as coughing, difficulty breathing, and reduced energy levels.

Boxer

Shutterstock

Boxers are known for their playful, high-energy nature, but they are also one of the breeds most susceptible to heart disease, particularly a condition called arrhythmogenic right ventricular cardiomyopathy (ARVC). ARVC is a genetic disorder that affects the heart’s ability to pump blood effectively, leading to irregular heartbeats and, in severe cases, sudden death. Boxers with ARVC may show symptoms like fainting, weakness, or collapsing, especially during exercise. Regular heart screenings and early intervention are crucial for managing this condition and ensuring Boxers live long healthy lives.

Doberman Pinscher

Shutterstock

The Doberman Pinscher is a powerful and loyal breed, but they are unfortunately prone to dilated cardiomyopathy (DCM), a condition in which the heart becomes enlarged and weakened. DCM reduces the heart’s ability to pump blood efficiently, leading to congestive heart failure. Dobermans often develop DCM silently, with symptoms not appearing until the disease is advanced. These symptoms can include fatigue, shortness of breath, and sudden collapse. Genetic testing, routine cardiac evaluations, and medication can help manage the condition, but it remains a significant health risk for the breed.

Miniature Schnauzer

Shutterstock

Miniature Schnauzers may be small in size, but they are no strangers to heart disease, particularly pulmonary hypertension and mitral valve disease. Pulmonary hypertension occurs when there is high blood pressure in the arteries of the lungs, which puts strain on the heart and can lead to heart failure. Mitral valve disease is also common in this breed, and both conditions require careful monitoring by a veterinarian. Owners should be on the lookout for signs like coughing, difficulty breathing, and exercise intolerance, as early intervention can help manage the disease and improve quality of life.

Dachshund

Shutterstock

Dachshunds are known for their long bodies and lively personalities, but they are also prone to heart issues, particularly mitral valve disease (MVD). MVD is a degenerative heart condition that affects the heart’s ability to pump blood properly, and it is particularly common in older Dachshunds. Symptoms may include coughing, shortness of breath, and reduced activity levels. While MVD cannot be cured, medications can help manage the symptoms and slow the progression of the disease. Regular veterinary check-ups are crucial for catching the condition early and keeping Dachshunds healthy as they age.

Irish Wolfhound

Shutterstock

The Irish Wolfhound is a giant breed known for its gentle and calm nature, but like many large breeds, it is prone to heart disease—specifically dilated cardiomyopathy (DCM). This condition leads to an enlarged heart, which struggles to pump blood effectively, eventually causing heart failure. Irish Wolfhounds with DCM may show signs such as lethargy, coughing, and difficulty breathing. Due to their large size, the symptoms of heart disease can progress rapidly, making regular cardiac screenings essential. Early detection and medication can help manage the disease, but it remains a serious concern for this breed.

Pomeranian

Shutterstock

Pomeranians may be small and fluffy, but they are not immune to heart disease. This breed is particularly prone to patent ductus arteriosus (PDA), a congenital heart defect that occurs when a blood vessel near the heart fails to close after birth. This can lead to abnormal blood flow and, eventually, heart failure if left untreated. Pomeranians with PDA may display symptoms such as coughing, difficulty breathing, and reduced exercise tolerance. Early diagnosis through veterinary check-ups is critical, as surgery can correct the condition and significantly improve the dog’s quality of life.

The Heart’s a Tricky Thing, But These Pups Have Got It!

Shutterstock

These dog breeds are more prone to heart disease, but with regular monitoring, veterinary care, and early intervention, many heart conditions can be effectively managed. If you own one of these breeds, it’s essential to recognize the signs of heart disease and take preventive steps. Regular check-ups, a heart-healthy diet, and exercise can help your dog live a longer, healthier life despite genetic predispositions. Staying informed and proactive will ensure your furry friend’s heart remains in the best condition possible.