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May 9, 2025

Let's talk about Heartworm Disease

What heartworm is, why the Gulf and Atlantic coastlines are endemic areas, how it is diagnosed, and why our team recommends year-round prevention for dogs and cats.

Definition: Heartworm disease is the clinical manifestation of infestation with the Dirofilaria immitis, an intravascular parasite that resides in the pulmonary arteries and right side of the heart.

Epidemiology: Canids primary, low prevalence in cats. Gulf of America and Atlantic coastlines are endemic areas.

Signs and symptoms: depending on the stage of the disease you might see from no signs to cough, exercise intolerance, abdominal distention and collapse.

Diagnosis: Heartworm test, usually done as part of yearly exams. Blood smears microfilaria test. Echocardiography for moderate to severe cases.

Prevention: Our Veterinarians and staff recommend year round heartworm prevention. Monthly tables and topicals are popular but there is also injectables.

Client education: Heartworm disease is preventable, come see Dr Corrales and get your dogs and cats protected.