Clinical breed riskHigh risk
Mitral Valve Disease in Norfolk Terriers
Myxomatous mitral valve disease
A high-urgency clinical brief for families and relocation partners who need symptoms, timelines, and digital tracking—not generic breed marketing.
Clinical overview
Why Norfolk Terriers carry elevated Mitral Valve Disease risk
Norfolk Terriers are predisposed to myxomatous mitral valve disease relative to many mixed-breed dogs, driven by conformation and heritable risk. Early detection and a dated care timeline materially change outcomes for this breed. Keep symptoms, diagnostics, medications, and surgical notes together so every caregiver sees the same Mitral Valve Disease history.
Watch list
Symptom checklist
- Left-apical systolic murmur on wellness exam
- Coughing at night or after excitement
- Elevated sleeping respiratory rate
- Reduced stamina on usual walks
- Syncope in advanced congestive stages
Digital vault protocol
Emergency & longitudinal management
- Archive echocardiograms with ACVIM stage
- Log sleeping respiratory rate weekly
- Track pimobendan/ACE-I/diuretic start dates
- Store thoracic radiograph reports from heart-failure episodes
- Request staged cardiology letters before flights
PetClues is not veterinary advice. Always consult a licensed veterinarian for diagnosis, treatment, and urgent medical decisions.