Mitral Valve Disease (MVD) in Cavalier King Charles Spaniels

High Risk
Category: Cardiac Typical onset: 5-10 years Hereditary: Yes Est. treatment cost: £1,500-£5,000/year

Mitral Valve Disease (MVD) is one of the most frequently diagnosed conditions in the breed within the Cavalier King Charles Spaniel. Common indicators include heart murmur detected on examination, coughing especially at night, and exercise intolerance. MVD is the most common heart disease in dogs, characterised by progressive degeneration of the mitral valve leaflets causing regurgitation of blood back into the left atrium. It leads to cardiac enlargement and eventually congestive heart failure. It typically becomes apparent at 5-10 years. In smaller breeds like the Cavalier King Charles Spaniel, early detection and prompt treatment generally lead to better long-term outcomes. This condition has a hereditary component — prospective owners should request documentation of health screening from the breeder. Treatment costs are estimated at £1,500-£5,000/year, making comprehensive pet insurance a practical consideration.

Symptoms of Mitral Valve Disease (MVD) in Cavalier King Charles Spaniels

  • Heart murmur detected on examination
  • Coughing especially at night
  • Exercise intolerance
  • Rapid breathing at rest
  • Fainting

If your Cavalier King Charles Spaniel is showing any of these signs, consult your veterinarian promptly.

Treatment Options

The EPIC and PROTECT trials established that Pimobendan delays onset of heart failure in preclinical stages. Once failure develops, diuretics, ACE inhibitors, and Pimobendan are combined.

Estimated Treatment Cost

£1,500-£5,000/year

Costs vary by severity, location, and treatment path. Pet insurance is strongly recommended.

Prevention & Management

  • Follow Cavalier Health cardiac breeding protocol
  • Annual auscultation by cardiologist
  • Breed only from clear parents over recommended age

Recommended Products

Dog Food

Condition-Support Diet for Cavalier King Charles Spaniels

A diet formulation designed to support Cavalier King Charles Spaniels managing Mitral Valve Disease (MVD). Formulated with high-quality protein and easily digestible ingredients.

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Supplement

Health Monitoring Support for Cavalier King Charles Spaniels

Cavalier King Charles Spaniels with Mitral Valve Disease (MVD) benefit from consistent supplementation. This vet-formulated blend supports overall wellbeing and may complement prescribed treatment.

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Other Breeds Affected by Mitral Valve Disease (MVD)

Prevalence and severity can vary significantly between breeds.