pre-purchase exams Flashcards
what structures are evaluated with an MRI
skull, sinuses. resolution is greater
purpose of guttural pouch, how much fluid
cools blood going to brain. 300-500 ml
when is endoscopy used
respiratory. also guttural pouch, GI disorders, Urinary tract disorders
which joint is xrayed with the machine posterior to pt
navicular, carpal view.
why pack hoof with play doh
eliminate shadow artifacts
name causes of false positives with thermography
insect bites, in the sun for too long.
an ultrasound is used to evaluate what?
reproductive system. also, thoracic, cardiac, abdominal, musculoskeletal
what do white, black and grey areas represent on ultrasound
black-anechoic
white-hyperechoic
grey-hypoechoic
how to prepare pt for ultrasound
clip with #40 blade, clean with warm water/alcohol, apply coupling gel.
how to prepare a foot before taking distal limb xrays
clean hoof with pick, remove shoes, pack with playdoh, use a wood block or foot stands.
what info is labeled on xray
which leg. front/back left/right named by direction of primary beam
what about the target size of a portable xray unit is different from a stationary unit
portable unit is a stationary anode, target size is larger, blurry, less detailed image.
0, 1, 2 grades of lameness
0-healthy
1-subtle, hard to observe
2-lameness in circles but not in straight line
3, 4, 5 grades of lameness
3-lameness observed at trot
4- lameness obvious with marked nodding, hitching, short strides.
5-minimal weight bearing in motion
which gait is used to evaluate lameness
trot
