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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.



Heartworm disease in cats is very different from hearhtworm in dogs, as Dr. Tom Nelson explains.

Canine | Diagnosis | Feline | Incidence | Shelters | Veterinary Professionals
Category: Video

Diagnosing heartworms in cats is quite different from diagnosis in dogs. In this video, veterinary practitioner and past AHS president Dr. Tom Nelson explains the diagnostic process and discusses which tests are appropriate for feline patients.

Diagnosis | Feline | Prevention | Shelters | Veterinary Professionals
Category: Video

While cats are susceptible to heartworms, unfortunately there are no approved treatments for cats with adult worms. However, as veterinary practitioner and past AHS president Dr. Tom Nelson explains, that doesn't mean veterinarians have no options for managing these patients.

Feline | Prevention | Shelters | Treatment | Veterinary Professionals
Category: Video

In this video, Emeritus Professor and researcher Dr. Tim Geary of the Institute of Parastitology at McGill University explains the barriers to heartworm research and how it differs from research on other parasites in other species.

Cost | Prevention | Veterinary Professionals
Category: Video

In this video, Emeritus Professor and researcher Dr. Tim Geary of the Institute of Parastitology at McGill University explains how a better understanding of heartworms and how they interact with their hosts and their environment might help researchers in the future as they develop new strategies for heartworm prevention.

Canine | Feline | Life Cycle | Prevention | Veterinary Professionals
Category: Video

Parasitologist Dr. Byron Blagburn explains what veterinarians need to know about heat treatment of serum samples in heartworm testing.

Canine | Diagnosis | Veterinary Professionals
Category: Video

Parasitologist Dr. Byron Blagburn explains what veterinarians need to know about heat treatment of serum samples when testing cats for heartworm infection.

Diagnosis | Feline | Veterinary Professionals
Category: Video

Veterinary cardiologist Dr. Clarke Atkins discusses the most current information about heartworm resistance.

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

Veterinary cardiologist Dr. Clarke Atkins explains what steps veterinarians can take to minimize the risk of resistant heartworms developing in the future.

Canine | Prevention | Resistance | Treatment | Veterinary Professionals
Category: Video

Veterinary parasitologist Dr. Laura Kramer of the University of Parma explains how heartworm disease has spread across Europe over the past several decades.

Canine | Incidence | Veterinary Professionals
Category: Video

Veterinary parasitologist Dr. Laura Kramer of the University of Parma discusses the rationale for alternative heartworm treatment protocols.

Canine | Resistance | Treatment | Veterinary Professionals
Category: Video

Veterinary parasitologist Dr. Laura Kramer of the University of Parma explains the pros and cons of treating heartworm infections with melarsomine.

Canine | Treatment | Veterinary Professionals
Category: Video

Veterinary parasitologist Dr. Laura Kramer of the University of Parma explains her rationale for including doxycycline in a heartworm treatment protocol.

Canine | Resistance | Treatment | Veterinary Professionals
Category: Video

Veterinary cardiologist Dr. Matthew Miller discusses multimodal heartworm prevention strategies.

Canine | Prevention | Veterinary Professionals
Category: Video

Veterinary cardiologist Dr. Matthew Miller explains why macrocyclic lactones are needed in conjunction with mosquito repellents in multimodal heartworm prevention protocols.

Canine | Prevention | Veterinary Professionals
Category: Video

Former Auburn veterinary internist Dr. Ray Dillon explains the most current knowledge about heartworm associated respiratory disease in cats.

Feline | Incidence | Veterinary Professionals
Category: Video

Former Auburn veterinary internist Dr. Ray Dillon discusses the importance of preventing heartworm disease in cats.

Feline | Incidence | Prevention | Veterinary Professionals
Category: Video

University of Georgia veterinary parasitologist Dr. Ray Kaplan outlines strategies veterinarians can use to identify potentially heartworm-resistant cases.

Canine | Resistance | Veterinary Professionals
Category: Video

University of Georgia veterinary parasitologist Dr. Ray Kaplan explains why it’s important for scientists to study the genetics of heartworm resistance.

Canine | Resistance | Veterinary Professionals
Category: Video

Parasitologist Dr. Dwight Bowman explains why he has reservations about routinely using doxycycline in a heartworm treatment protocol.

Canine | Resistance | Treatment | Veterinary Professionals
Category: Video

University of Arkansas entomologist Dr. Tanja McKay discusses mosquito vectors in the transmission of heartworm disease.

Life Cycle | Veterinary Professionals
Category: Video

University of Arkansas entomologist Dr. Tanja McKay explains the feeding habits of mosquitoes that transmit heartworm disease.

Canine | Life Cycle | Veterinary Professionals
Category: Video

Dogs with heartworm disease can develop a very serious complication: caval syndrome. Veterinary cardiologist Dr. Marisa Ames explains how this complication develops, as well as how veterinarians and treat and manage these patients.

Canine | Diagnosis | Treatment | Veterinary Professionals
Category: Video

Dogs with pulmonary hypertension as a result of heartworm disease can also develop right-sided heart failure. Veterinary cardiologist Dr. Marisa Ames explains how veterinarians can identify this complication in canine patients and manage it.

Canine | Diagnosis | Treatment | Veterinary Professionals
Category: Video

Pneumonitis is a common complication in dogs with heartworm Disease. Cardiologist Dr. Marisa Ames explains how veterinarians can manage patients with this complication.

Canine | Diagnosis | 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!