Dog diseases
Heart and blood vessels
Valve disease, heart failure and circulation. This guide has 13 articles.

- UrgentBoxer cardiomyopathy (ARVC) in dogsBoxer cardiomyopathy, or ARVC, causes abnormal heart rhythms and fainting. Learn what Holter monitoring shows…
- UrgentDilated cardiomyopathy in dogs: symptoms, tests and treatmentDilated cardiomyopathy weakens a dog's heart pumping. Learn about symptoms, ultrasound, Holter monitoring and…
- Mitral valve disease in dogs: symptoms, tests and treatmentMitral valve disease in dogs can remain symptom-free for years. Learn about heart tests, disease stages,…
- Arrhythmias in dogs: symptoms and treatmentArrhythmias can cause tiredness and fainting in dogs. Learn the warning signs, ECG and Holter tests,…
- UrgentSick sinus syndrome in dogs – symptoms and pacemaker treatmentSick sinus syndrome can slow a dog's heart rate and cause fainting. Learn how vets investigate the rhythm and…
- UrgentHeart failure in dogs: symptoms, tests and treatmentHeart failure can cause faster breathing and fluid accumulation in dogs. Learn about emergency signs,…
- Heart block in dogs: slow heart rate and treatmentAtrioventricular heart block can slow a dog's heartbeat and cause fainting. Learn about its degrees, ECG…
- UrgentHeartworm and lungworm in dogs – symptoms, tests and treatmentHeartworm spreads through mosquitoes, while lungworm usually spreads through slugs and snails. Learn about…
- UrgentPericardial effusion in dogs: symptoms and treatmentFluid around a dog's heart can cause life-threatening cardiac tamponade. Learn the signs, how ultrasound…
- Congenital heart defects in dogs: symptoms and treatmentCongenital heart defects can be silent or strain a dog's circulation. Learn about common defects, murmurs,…
- Blood clotting disorders in dogs: symptoms and treatmentClotting disorders can cause bruising, bleeding or blood clots in dogs. Learn the warning signs, blood tests,…
- High blood pressure in dogs: symptoms and treatmentHigh blood pressure can damage a dog's eyes, kidneys and brain. Learn about its causes, reliable measurement…
- UrgentVon Willebrand disease in dogs – symptoms, tests and treatmentVon Willebrand disease can cause prolonged bleeding in dogs. Learn how genetic and blood tests differ and how…
