How Animal Shelters Can Treat And Prevent Heartworm In Dogs
Heartworm disease is 100% preventable, yet experts estimate one million dogs in the U. S. Are infected with the parasite. The challenge of prevention and treatment is particularly acute in animal shelters, which usually receive the dogs when they are already heartworm-positive and face challenges finding resources to treat them. Brian A. DiGangi, DVM, DABVP, Clinical Assistant Professor of Shelter Medicine at the University of Florida College of Veterinary Medicine, presents a review of the current recommendations for the prevention, diagnosis and treatment of heartworm infections in dogs with an emphasis on practical, safe and effective management strategies for shelter Read moredogs
Presenter: Dr. Brian DiGangi
Date: August 28, 2014
- 1.
We hope you have enjoyed the presentation. A certificate of attendance in your name will be awarded at the end of this quiz. Please let us know if you have viewed the entire presentation.
- A.
I certify that I have viewed the entire presentation.
- B.
I did not view the entire presentation.
Correct Answer
A. I certify that I have viewed the entire presentation. -
- 2.
Which of the following factors contributes to the endemnicity of canine heartworm disease in the United States?
- A.
Decline in wild canid populations
- B.
Prolonged drought conditions
- C.
Relocation of microfilaremic dogs
Correct Answer
C. Relocation of microfilaremic dogs -
- 3.
Which stages of Dirofilaria immitis development occur within the mosquito vector?
- A.
L1, L2, L3
- B.
L2, L3, L4
- C.
L3, L4, Immature adult
Correct Answer
A. L1, L2, L3 -
- 4.
The American Heartworm Society recommends antigen testing at which time point?
- A.
Prior to changing preventives
- B.
30 days after potential exposure
- C.
3 months after adulticidal treatment
Correct Answer
A. Prior to changing preventives -
- 5.
How long following adulticidal therapy does the American Heartworm Society recommend activity restriction be maintained?
- A.
2-4 weeks
- B.
4-6 weeks
- C.
6-8 weeks
Correct Answer
C. 6-8 weeks -
- 6.
What percentage of shelters surveyed by the Association of Shelter Veterinarians administer monthly heartworm preventive to their dogs?
- A.
>40%
- B.
>60%
- C.
>80%
Correct Answer
B. >60% -
- 7.
Among surveyed shelters that test for heartworm disease, at what point does testing most frequently occur?
- A.
Intake
- B.
Transfer
- C.
Adoption
Correct Answer
A. Intake -
- 8.
Which of the following is true regarding the toxic dose of ivermectin in dogs with mutation of the MDR-1 gene?
- A.
It is below the heartworm preventive dose of ivermectin.
- B.
It is above the endoparasiticidal dose of Ivermectin.
- C.
It is above the heartworm preventive dose of ivermectin.
Correct Answer
C. It is above the heartworm preventive dose of ivermectin. -
- 9.
Which of the following is true regarding “slow kill” methods of adulticidal therapy?
- A.
Efficacy is dependent upon age of the heartworms.
- B.
Exercise restriction can be lifted once treatment has begun.
- C.
Pulmonary pathology is minimized.
Correct Answer
A. Efficacy is dependent upon age of the heartworms. -
- 10.
Use of doxycycline during treatment of canine heartworm disease may lead to:
- A.
Antibiotic resistance.
- B.
Sterilization of female heartworms.
- C.
Delayed resolution of pulmonary inflammation.
Correct Answer
B. Sterilization of female heartworms. -
- 11.
Which of the following regarding the timing of elective surgery in heartworm positive dogs is true?
- A.
Surgery should occur during adulticidal treatment.
- B.
Surgery is best delayed until after adulticidal treatment.
- C.
Surgery can safely be performed prior to adulticidal treatment.
Correct Answer
C. Surgery can safely be performed prior to adulticidal treatment. -
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