Feline Heartworm

Question 1

What is the overall infection rate of heartworm in cats?

Answer 1

5-15% of dog rate in given area

Question 2

1/2 of cat heartworm infections are single sex
T or F

Answer 2

False, 1/3

Question 3

Microfilaria is often found in cats
T or F

Answer 3

False, rarely found and only 190-230 days post infection

Question 4

How long is the initial stage of heartworm infection in cats and what is it often misdiagnosed as?

Answer 4

3-4 months post infection
Often misdiagnosed as asthma or allergic bronchitis

Question 5

What happens during the second stage of infection?

Answer 5

Triggered by Adult worm death
Results in Pulmonary infection/thromboembolism
Possible acute lung injury even if single worm infection
It’s the result of a strong inflammatory reaction