Common Heart Conditions in Westies Some heart conditions can affect West Highland White Terriers, especially as they age. The conditions below are useful for owners to recognize, but only a veterinarian can determine whether symptoms are heart-related and what treatment, if any, is needed. Mitral Valve Disease (MVD) Mitral Valve Disease is one of the more common acquired heart conditions seen in aging small-breed dogs, including Westies. The mitral valve, which separates the left atrium and ventricle, may degenerate over time, allowing blood to leak backward instead of moving efficiently through the heart. Symptoms can include coughing, reduced stamina, labored breathing, and fainting spells. This condition is progressive and can eventually contribute to congestive heart failure if left untreated. Congenital Heart Defects Some Westies may be born with congenital heart defects, such as Patent Ductus Arteriosus (PDA) or Pulmonic Stenosis. PDA involves a persistent opening between major blood vessels that should close after birth, resulting in abnormal blood flow. Pulmonic Stenosis is a narrowing of the pulmonary valve, restricting blood flow from the heart to the lungs. Puppies with congenital defects may display stunted growth, rapid breathing, or fatigue during play. Arrhythmias Arrhythmias refer to irregular heart rhythms that can affect Westies of any age. Common types include atrial fibrillation and ventricular tachycardia. These rhythm disturbances may cause weakness, collapse, or a racing heart. In some cases, arrhythmias are secondary to other heart diseases. Congestive Heart Failure (CHF) Congestive Heart Failure occurs when the heart cannot pump blood efficiently, leading to fluid accumulation in the lungs or abdomen. CHF is often the result of advanced MVD or other chronic heart conditions. Classic signs include persistent coughing, difficulty breathing, exercise intolerance and, in severe cases, abdominal swelling. CHF requires lifelong management and can significantly impact a Westie’s daily comfort. Warning Signs That May Point to a Heart Problem Warning signs that may point to a heart problem include persistent coughing, tiring easily, rapid or labored breathing, fainting or collapse, a swollen belly, restlessness at night, reduced interest in exercise, pale or bluish gums, or sudden weakness. These signs can also be caused by other health problems, so a veterinary exam is the safest way to find the cause. How Heart Conditions Are Diagnosed Diagnosing a heart condition may involve a physical exam, listening for a heart murmur or abnormal rhythm, chest X-rays, blood work, blood pressure measurement, ECG testing, and an echocardiogram. Your veterinarian may also recommend referral to a veterinary cardiologist if specialized testing or treatment planning is needed. Treatment Options Management of heart conditions in Westies depends on the specific diagnosis, severity, and overall health of the dog. Treatment plans are individualized and may include medical, surgical, and lifestyle interventions. Medical Therapies Medications Depending on the diagnosis, your veterinarian may prescribe medications such as ACE inhibitors, diuretics, beta-blockers, pimobendan, or other heart medications to support heart function, reduce fluid buildup, control blood pressure, or manage symptoms. The exact medication plan depends on the type and stage of heart disease. Antiarrhythmics These medications help stabilize abnormal heart rhythms and may be used in conjunction with other therapies. Surgical Interventions PDA Ligation For congenital PDA, surgical closure of the ductus arteriosus may be performed, often with excellent results if done early. Balloon Valvuloplasty This minimally invasive procedure is sometimes used to treat pulmonic stenosis by widening the narrowed valve. Lifestyle Adjustments Dietary Modifications Specialized heart diets low in sodium can help manage fluid retention and support cardiac health. Exercise Restriction Limiting strenuous activities may be advised to prevent overexertion and reduce stress on the heart. Weight Management Maintaining a healthy weight reduces the heart’s workload and improves overall well-being. Estimated Costs of Diagnosis and Treatment Cardiac care costs can vary widely depending on the condition, diagnostic testing, disease severity, geographic location, specialist referral, emergency needs, and the treatment plan recommended. The following figures are broad U.S. estimates only and should be confirmed with your veterinarian or veterinary cardiologist. Initial Veterinary Exam: $50 - $150 Chest X-rays: $100 - $300 Echocardiogram: $300 - $600 ECG: $75 - $200 Blood Tests: $50 - $150 Medications (monthly): $30 - $100 Surgical Correction (e.g., PDA ligation): $1,500 - $4,000 Ongoing Monitoring (annual): $300 - $800 Pet insurance may help offset some diagnostic, medication, emergency, or specialist costs, depending on the policy. Review coverage limits, exclusions, waiting periods, deductibles, reimbursement rates, and whether congenital or pre-existing conditions are covered. Your veterinarian can also help you discuss financial planning and care options that fit your Westie’s needs. At-Home Heart Health Monitoring At home, watch your Westie’s resting breathing rate, coughing patterns, energy level, appetite, sleep comfort, gum color, and ability to tolerate normal walks or play. Keeping a simple note of changes can help your veterinarian understand whether symptoms are stable, improving, or getting worse. Euthanasia as a Compassionate Option In advanced or terminal heart disease, there may come a time when treatment no longer provides enough comfort or quality of life. Euthanasia can be a deeply personal and compassionate choice when a dog is struggling and suffering cannot be managed well. This decision should be made with a trusted veterinarian who can help assess breathing, pain, appetite, mobility, restfulness, and daily enjoyment. Euthanasia is intended to relieve unmanageable pain and suffering, providing a peaceful and dignified end. Ethical considerations include the severity of symptoms, the dog’s ability to enjoy life, and the potential for ongoing distress. Owners should be supported throughout this process with empathy and respect for their bond with their pet. Conclusion Recognizing the signs of heart disease early can make a meaningful difference in a Westie’s prognosis. Prompt diagnosis by a qualified veterinarian allows for timely treatment, which may slow disease progression and improve comfort. Owners should be attentive to changes in behavior, activity level, or breathing, and seek veterinary advice if concerns arise. Heart disease can be a serious concern for Westie owners, but early attention, appropriate treatment, and steady care can make a meaningful difference. Stay alert for changes in breathing, coughing, energy, appetite, and comfort, and work closely with your veterinarian when concerns arise. With good communication, regular checkups, and compassionate decision-making, you can help your Westie receive the care, comfort, and dignity they deserve.