Cardiac

Dilated Cardiomyopathy (DCM)

Enlarged, weakened heart muscle reducing the heart's ability to pump blood.

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Expert guides

The Grain-Free Question: Diet-Associated DCM, Explained Fairly

Few topics in canine heart health have stirred up as much worry, and as much heated argument, as the link between grain-free food and dilated cardiomyopathy. Maybe a frightening headline sent you here, or your vet...

Dr. Alastair Greenway10 min read

Dilated cardiomyopathy explained: what DCM is, which dogs get it, and why it stays silent for so long

Dilated cardiomyopathy is one of the most serious heart diseases of dogs, and there is no point pretending otherwise. It is also one of the most misunderstood, partly because it behaves so differently from the...

Dr. Alastair Greenway13 min read

Living With a DCM Dog: Diet Correction, Exercise and Monitoring

The name dilated cardiomyopathy sounds final, and a "weak heart muscle" is harder to picture than a leaky valve, so a diagnosis can feel as though it has taken matters out of your hands. In practice, day-to-day life...

Dr. Alastair Greenway9 min read

Dobermans and Sudden Death: Arrhythmias, Monitoring, and What Can Be Done

Of all the heart problems a dog can have, the one that frightens Doberman owners most is the one that arrives with no warning. You have probably heard about it already, from a breeder, a forum, or a vet picking their...

Dr. Alastair Greenway10 min read

Screening at-risk breeds for DCM: Holters, echo and why catching it early matters

Dilated cardiomyopathy can sit in a dog's heart for years before anything shows on the outside. Owners of Dobermans, Great Danes, Irish Wolfhounds and the other prone breeds are usually told this, often quite bluntly,...

Dr. Alastair Greenway10 min read

DCM Prognosis, and Why Catching It Early Changes the Story

How long has my dog got? That is the question almost every owner asks within a minute or two of hearing the words "dilated cardiomyopathy", even when they can barely bring themselves to say it aloud. It is the right...

Dr. Alastair Greenway9 min read

When DCM Becomes Heart Failure

Dilated cardiomyopathy can run quietly for a long time. The heart muscle is weakening and the chambers are stretching, yet on the outside your dog looks well: eating, walking, greeting you at the door. Then the balance...

Dr. Alastair Greenway11 min read

Breeds prone to Dilated Cardiomyopathy (DCM)

Dilated Cardiomyopathy (DCM) is seen more often in some breeds than others. If you have one of these, its breed guide covers what to watch for and where to get help.

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