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Looking for information or educational tools on heartworm management? Our NEW Heartworm Resource Center makes it easy to get the answers or assets you’re looking for. You may search/filter by one or more of the fields below.



Veterinarians and veterinary technicians, along with those who help rescue and place dogs throughout North America, must be aware of the impact of heartworm in their locales. Dr. Matt Miller, DACVIM (Cardiology), discusses the impact of just ONE positive heartworm dog and how it impacts your neighborhood or town.

Canine | Treatment | Veterinary Professionals
Category: Video

Why is it important to use the American Heartworm Society heartworm treatment protocol? Dr. Tom Nelson, veterinarian at Animal Medical Center in Alabama, discusses what veterinarians should do when a patient is diagnosed as heartworm positive.

Canine | Treatment | Veterinary Professionals
Category: Video

Cats often have thickening of their pulmonary arteries as part of age-related changes, making thoracic radiographic interpretation of heartworm positive cats more difficult. Dr. Clifford Berry, DACVR, radiologist at University of Florida, reviews thoracic radiographic findings associated with feline heartworm disease.

Diagnosis | Feline | Veterinary Professionals
Category: Video

Should veterinarians be referring all heartworm positive dogs and cats for echocardiography prior to beginning treatment for heartworm? Dr. Matt Miller, DACVIM (Cardiology), discusses the use of echocardiography in the heartworm positive patient.

Canine | Diagnosis | Feline | Veterinary Professionals
Category: Video

Dr. Matt Miller, DACVIM (Cardiology), discusses the role of doxycycline, the commonly used antibiotic, in the treatment of heartworm disease. Should veterinarians routinely be using doxycycline to help prevent resistance in treating heartworm? If your patient was just diagnosed as heartworm positive, find out if you should use doxycyline or not.

Canine | Diagnosis | Incidence | Prevention | Treatment | Veterinary Professionals
Category: Video

While most pet owners are aware of the dangers of heartworm in dogs and cats, it turns out heartworm are opportunist and can affect other species. Veterinarians and veterinary technicians must be aware of the other species that can be affected, in order to best help educate pet owners about heartworm. Dr. Bianca Zaffarano discusses how heartworm can affect nontraditional species such as humans, sea lions, and seals.

Exotics | Other | Prevention | Veterinary Professionals
Category: Video

In this American Heartworm Society video, Dr. Clifford Berry, DACVR, radiologist at University of Florida, reviews thoracic radiographic findings associated with canine heartworm disease. Veterinarians practicing in a heartworm endemic area must be able to accurately interpret chest radiographs.

Canine | Diagnosis | Veterinary Professionals
Category: Video

If your canine patient was just diagnosed with heartworm, find out if it is indicated or contraindicated to use slow-kill protocols. Not only is slow kill slow, expensive, and potentially dangerous, but it can result in pulmonary emboli and secondary vascular damage. Dr. Clarke Atkins, DACVIM (Cardiology), discusses the controversy of "slow-kill" for canine heartworm disease.

Canine | Treatment | Veterinary Professionals
Category: Video

As a veterinarian or veterinary technician, should you be performing an antigen heartworm test or a microfilaria test? What test should you use in your canine patient? When should we be performing the process of "heat-treating?" Due to the formation of antibodies against heartworm antigen, the process of heat-treating samples may be necessary in your samples? Dr. Susan Little, clinical parasitologist from Oklahoma State University, discusses the process of heat-treating heartworm samples in dogs.

Canine | Diagnosis | Exotics | Feline | Veterinary Professionals
Category: Video

Watch EyeOn Heartworm Presentations from the 2016 NAVC Symposium.

Canine | Diagnosis | Feline | Prevention | Treatment
Category: Video

Why are heartworms a threat to your dog? This short video explains.

Canine | Diagnosis | Exotics | Feline | Prevention | Treatment
Category: Video

Testing, along with prevention, is an important part of keeping our dogs and cats healthy and free of disease. Here are important facts to know about heartworm disease and heartworm testing.


Canine | Diagnosis | Feline | Pet Owners
Category: Video

Testing, along with prevention, is an important part of keeping our dogs and cats healthy and free of disease. Here are important facts to know about heartworm disease and heartworm testing.

Feline | Pet Owners | Prevention | Treatment | Veterinary Professionals
Category: Video


When warm weather hits, you will want to ramp up your heartworm education efforts. To help make this goal easy--and fun--the AHS has created a new set of posters to print or post on your social pages.

  • To save or print a poster, just click on the image below, then click on the “download” button and save the PDF file.
  • To save a poster for use on your social pages, simply open the downloaded poster, then right click on the file and follow the menu instructions to save the file as a JPEG image.

For more client tools, be sure to visit the Resource Center. And if you don’t already, make sure you’re sharing our Facebook and Instagram posts!