phylum nematode " HWD"
what are the signs?
heart is damaged so see exercise intolerance,right side heart enlargement, ascites (?)
who is the incidental host?
humans
what treats heartwrom diease?
ivermectin
HWD VS A. reconditum
D. immitis -- tapering anterior end and straight tail• A. reconditum - "broom handle" anterior end withpossible buttonhook tail at posterior end**Often cannot distinguish with Knotts Test alone.**Mosquito IH needed to become infective
what's the tx?
Adulticide (Ex: Immiticide) - dead adults can move to lungs so keep patient quiet! Microfilaricide (Ex: Ivermectin)
what is the Prepatent period:
(=before it can be diagnosed) is 6 mo
what is the dx ?
Modified Knotts Test: concentrate, see microfilaria onscope and the ELISA test:**
what's the workup ?
bloodwork, XR, +/- U/S
who is the definitive host
canine
Dirofilaria immitis
canine heartworm
and dx from the treatment
difficult. Use tests for antibody, antigen (?)
signs from the treatment ?
resp dz, cough
where is the hw located ?
rt atrium/vent, pulmonaries arteries
"Microfilariae"
the offspring.-- become infective inmosquito (can go eye, brain
what's the px ?
tx daily, monthly, or 6 month injection**Cats: resistant to infx, takes greater exposure.
