heartworm


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Di·ro·fi·la·ri·a im·'mi·tis

a species of filarial worms; primary hosts are dogs and other canids in tropical, subtropical and temperate climates, adult worms are found chiefly in the right ventricle and pulmonary arteries of dogs; sometimes a serious pathogen of racing and show dogs, especially in the southern U.S. where mosquito vectors are most common; Dirofilaria immitis and its canine host have been used to test chemotherapeutic agents, and an extract of Dirofilaria immitis may be used as a nonspecific intradermal antigen in the diagnosis of human filariasis and in complement-fixation tests.
See also: Dipetalonema reconditum.
Synonym(s): heartworm

heartworm

/heart·worm/ (hahrt´wurm) an individual of the species Dirofilaria immitis.

heartworm

(härt′wûrm′)
n.
1. A parasitic filarial worm (Dirofilaria immitis) that is transmitted by mosquitoes and infects the pulmonary arteries and often the right side of the heart of dogs and other canids and sometimes other mammals, including cats.
2. The condition resulting from infection with heartworms, characterized by respiratory symptoms and fatigue.

heartworm

the common name for dirofilariaimmitis.
Enlarge picture
Heartworms. By permission from Darke P, Kelly DF, Bonagura JD, Color Atlas of Veterinary Cardiology, Mosby, 1995

heartworm dermatitis
cutaneous dirofilariasis; a variety of skin lesions have been seen in dogs infested by Dirofilaria immitis, including hypersensitivity reactions, pyogranulomas and seborrheic dermatitis.
heartworm disease
the syndrome of pulmonary artery disease with hypertension, heart failure (primarily cor pulmonale), and occasionally liver failure and interstitial, tubular and glomerular renal lesions caused by infestation by Dirofilaria immitis. Many species may be infected, but dogs are most commonly affected by chronic cough, weight loss and ultimately congestive heart failure. Infestation by the parasite, and the disease, can be prevented with appropriate prophylactic chemotherapy. Called also dirofilariasis. See also occult heartworm infection, caval syndrome.
References in periodicals archive ?
Heartworm disease is expensive and often difficult to treat, but prevention is easy and affordable with products like the HEARTGARD Real-Beef Chewable, the brand most asked for by pet owners.
In the first days of March, Rachel went from nobody to a number when the Humane Society of the United States swept in to the former Alabama shelter and seized the nearly 200 dogs, most of which had one health problem or another, including potentially deadly heartworm.
Proceedings of 10th Triennial Symposium, American Heartworm Society, San Antonio, Texas, 2002.
In addition, four that cover heartworm antigens are members of Heska's portfolio of proprietary heartworm genes and proteins that may be used in heartworm vaccines currently in development.
For the safety of your pet and your family, we recommend your pet be up to date on vaccinations, deworming and heartworm prevention, even for cats," said Dr.
ProHeart 6 was the first, and only, product approved by the FDA to be administered once every six months to treat heartworm disease in dogs.
Most people you speak with have heard of heartworm and West Nile.
Louis encephalitis to humans, western equine encephalomyelitis to humans and horses, and heartworm to dogs and cats,'' said Stephanie Miladin of the Greater Los Angeles County Vector Control District.
Sentinel Flavor Tabs are broad-spectrum, preventive tablets that protect against five major parasites - heartworm, roundworm, hookworm, whipworm and fleas - in one convenient monthly dose.
Heska's state-of-the-art offerings to its customers include blood testing instruments and supplies, digital imaging products, software and services, and single use products and services such as in-clinic heartworm diagnostic tests, heartworm preventive products, allergy immunotherapy products and allergy testing.
Fido and Fluffy won't swallow their heartworm pills?
According to a recent study conducted by The American Heartworm Society (AHS), heartworm disease continues to be a major health concern throughout the United States.