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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.



Feline practitioner Dr. Mark Cousins of New Orleans explains how veterinarians who are new to discussing feline heartworm disease with clients can get comfortable with the topic.

Feline | Prevention | Veterinary Professionals
Category: Video

Veterinary cardiologist Dr. Clarke Atkins explains how veterinarians can interpret the results of antigen and antibody heartworm tests in cats.

Cost | Diagnosis | Feline | Veterinary Professionals
Category: Video

Veterinary cardiologist Dr. Clarke Atkins outlines testing strategies for dogs that test positive for heartworms.

Canine | Cost | Diagnosis | Veterinary Professionals
Category: Video

Veterinary cardiologist Dr. Clarke Atkins explains how heartworm epidemics can occur as fallout from hurricanes.

Canine | Diagnosis | Incidence | Life Cycle | Shelters | Treatment | Veterinary Professionals
Category: Video

Veterinary behaviorist Dr. Deb Horwitz provides easy tips owners can follow to keep their dogs mentally engaged but physically calm during heartworm treatment.

Canine | Pet Owners | Shelters | Treatment | Veterinary Professionals
Category: Video

Veterinary behaviorist Dr. Deb Horwitz provides easy tips owners can follow to keep their dogs mentally engaged but physically calm during heartworm treatment.

Canine | Pet Owners | Shelters | Treatment | Veterinary Professionals
Category: Video

Veterinary behaviorist Dr. Deb Horwitz addresses the question of how owners can safely handle taking their dogs outside for bathroom breaks during heartworm treatment.

Canine | Pet Owners | Shelters | Treatment | Veterinary Professionals
Category: Video

Three specialists in shelter medicine explain how they are managing the medical, logistical and financial challenges of treating heartworm infection in patients.

Cost | Shelters | Transport of Infected Pets | Treatment | Veterinary Professionals
Category: Video

An overview of the heartworm lifecycle, with an emphasis on the importance of prevention.
Download MP4 Video File

Canine | Life Cycle | Media | Pet Owners | Prevention | Shelters | Veterinary Professionals
Category: Video

An in-depth overview of heartworm life cycle and prevention that is useful for students, new staff, and veterinary professionals.
Download MP4 Video File

Canine | Life Cycle | Media | Prevention | Shelters | Treatment | Veterinary Professionals
Category: Video

Yes, cats get heartworm disease and need heartworm prevention.

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

Dr. Clarke Atkins, DACVIM, discusses how veterinary professionals should treat the "missed" dose of heartworm preventative. Pet owners can accidentally forget to dose their pet. What is the impact or risk to the pet when this occurs? How should veterinarians and veterinary technicians better educate pet owners to prevent this from happening?

Canine | Feline | Prevention | Veterinary Professionals
Category: Video

Pet owners can accidentally forget to dose their pet. What is the impact or risk to the pet when this occurrs? How should veterinarians and veterinary technicians better educate pet owners to prevent this from happening? Dr. Clarke Atkins, DACVIM (Cardiology), discusses how veterinary professionals should treat the "missed" dose of heartworm preventative.

Canine | Feline | Incidence | Pet Owners | Prevention | Veterinary Professionals
Category: Video

How should veterinarians and veterinary technicians be handling heartworm disease in non-endemic regions? Should pets still be treated? Dr. Matt Miller, DACVIM (Cardiology) discusses why it's important to prevent heartworm in non-endemic areas of the United States.

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

Dr. Tom Nelson, veterinarian at Animal Medical Center in Alabama, discusses why we are often taught to "test" for heartworm more than we are taught to "prevent" heartworm disease.

Diagnosis | Feline | Veterinary Professionals
Category: Video

Veterinarians and veterinary technicians living in an endemic area must feel comfortable accurately diagnosing feline heartworm disease. Dr. Matt Miller, DACVIM (Cardiology), discusses how to diagnose heartworm disease/infection in cats.

Canine | Pet Owners | Treatment | Veterinary Professionals
Category: Video

Dr. Debra Horwitz, DACVB of Veterinary Behavior Consultations in St. Louis, Missouri, discusses the importance of appropriate client communication with the pet owner in the heartworm positive dog. By addressing the pet owner's concerns, addressing the pet's concerns, and still providing the heartworm positive dog with certain types of exercise, veterinary professionals can work with pet owners to ensure the best outcome for heartworm positive dogs that must be exercise-restricted. Dr. Debra Horwitz, DACVB of Veterinary Behavior Consultations in St. Louis, Missouri, discusses the importance of appropriate client communication with the pet owner in the heartworm positive dog.

Canine | Prevention | Veterinary Professionals
Category: Video

Dr. John McCall, Professor Emeritus in the Department of Infectious Diseases at the University of Georgia College of Veterinary Medicine, discusses how repellency and insectile efficacy can help prevent heartworm transmission in dogs and cats. Veterinarians and veterinary technicians must be aware of the best ways to help minimize the risks of heartworm to their patients.

Canine | Diagnosis | Incidence | Life Cycle | Prevention | Veterinary Professionals
Category: Video

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

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!