[header] How to feed an older dog with heart disease [title] Talk to your vet. [step] After your vet identifies symptoms of heart disease in your older dog, they should recommend treatment options, including how to best feed your dog. Listen closely to your vet's advice and follow it closely. 
[substeps] Depending on the severity of your pet's heart disease, your vet might prescribe a regular diet of commercial dog food or a more limited diet of prescription dog food. Ask your vet questions if anything is unclear.