For the Dogs - Coastal Canine Magazine
For the Dogs - Coastal Canine Magazine
For the Dogs - Coastal Canine Magazine
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Wellness<br />
By Dr. Annette Richmond, DVM<br />
Keeping our animals healthy is critical to longevity,<br />
and <strong>the</strong> heart is <strong>the</strong> most important organ of all. As<br />
in people, <strong>the</strong>re are many forms of heart disease that<br />
can affect different parts of a dog’s heart. Some are congenital<br />
defects affecting <strong>the</strong>m at birth, and o<strong>the</strong>r heart problems develop<br />
later in life. Certain dog breeds are predisposed to specific heart<br />
diseases, and understanding this correlation can allow <strong>the</strong><br />
caretaker to discover problems early and help support <strong>the</strong><br />
cardiac function of <strong>the</strong>ir beloved dog.<br />
The most common heart defects found in dogs are valve<br />
dysfunction, dilated cardiomyopathy, stenosis (valve narrowing),<br />
and septal defects (abnormal openings between <strong>the</strong> heart<br />
chambers). The diagnosis of a heart defect is based on one<br />
or more tests including a chest radiograph, an ECG, or an<br />
ultrasound (echocardiogram) performed by a cardiologist. If a<br />
severe defect is found when a dog is young, a corrective surgery<br />
may be performed by a specialist, and in some cases a puppy’s<br />
heart can improve by <strong>the</strong> time she is full-grown.<br />
<strong>the</strong> most mild and may be difficult to detect with a stethoscope,<br />
as opposed to a 6 which is <strong>the</strong> most severe murmur. As <strong>the</strong><br />
severity of <strong>the</strong> heart disease increases, <strong>the</strong>re are more significant<br />
signs of disease, including coughing, lethargy, inability to<br />
exercise, temporary weakness or collapse, increased panting, or<br />
bluish color of <strong>the</strong> gums. Severe cases of heart disease may result<br />
in congestive heart failure or sudden death for <strong>the</strong> animal.<br />
Identifying a heart abnormality early is crucial to ensuring proper<br />
care for an animal and allows <strong>the</strong> guardian to be aware of <strong>the</strong><br />
we<br />
know<br />
<strong>the</strong>y’re<br />
family<br />
Photo Courtesy of Surf City USA<br />
<strong>Dogs</strong> that have a mild case of a heart abnormality may exhibit<br />
no outward signs or perhaps very mild signs of <strong>the</strong> disease. A<br />
mild sign may include a low-grade murmur, but <strong>the</strong> animal may<br />
be able to run and play without any obvious problem. Murmurs<br />
are measured from 1 to 6. A murmur that is measured as a 1, is<br />
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20 coastalcaninemag.com • fall 2011
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