AHS Heartworm Hotline
Focus on Canine Heartworm Disease

Heartworm disease (HWD) is caused by the filarial nematode Dirofilaria immitis. This parasite has a necessary mosquito intermediate host and has been found in many different mammalian species, including cats, dogs, monkeys, marine mammals, and rodents…

AHS Heartworm Hotline
Coming to You from the American Heartworm Society

While heartworm education is a year-round focus of the American Heartworm Society (AHS), many veterinary practices put extra emphasis on heartworm prevention and education in the spring, especially since April is National Heartworm Awareness Month. Therefore, it’s a good time to consider the many resources available to veterinary practices from the AHS.

AHS Heartworm Hotline
Canine Caval Syndrome Series – Part 2: A Practical Approach to Diagnosing Caval Syndrome

Stephen L. Jones, DVM Lakeside Animal Hospital, Moncks Corner, South Carolina The Heartworm Hotline column is presented in partnership between Today’s Veterinary Practice and the American Heartworm Society ( The goal of the column is to communicate practical and timely information on prevention, diagnosis, and treatment of heartworm disease, as well as highlight current topics … Protection Status