Informational only — not veterinary advice. Health information here is general and educational only — it is NOT veterinary advice and must not be used to diagnose or treat your dog. If you are worried about your dog's health, contact a qualified veterinarian. In an emergency, seek immediate veterinary care.
Overview
A heart-muscle disease in which the heart enlarges and pumps poorly. It is seen more often in some large and giant breeds.
Common signs & symptoms
- • lethargy
- • coughing
- • rapid breathing
- • fainting
- • weight loss
🛡️ Prevention
Source from breeders who screen for heart disease; routine veterinary heart checks help catch it early. Discuss diet with your vet.
🚩 When to see a vet
See a vet promptly for coughing, breathing difficulty, or fainting — these can signal heart failure.


