OA diagnosis Flashcards
What are the 2 pathways of Osteoarthritis in horses
abnormal stresses on normal cartilage
normal stresses on abnormal cartilage
What are the signs of OA in the horse
Synovitis
partial/ full thickness cartilage erosions
subchondral bone lesions
peri-articular new bone/ fibrosis
joint ankylosis
what is ankylosis
joint stiffness
Which high motion joints can be affected badly by mild osteoarthritis disease?
Distal interphalangeal
fetlock
tibotarsal
stifle joint
which cell regulates the production of cartilage matrix
chondrocytes
What does cartilage consist of
collagen
hyaluronic acid
GAGs
What happens in diseased joints for cartilage composition and what is the effect of this?
Lose GAGs so loses ability to hold water
What does a low 6 point nerve block desensitise
hock and below
what does an abaxial sesamoid nerve block desensitise
Pastern and below
what is the normal colour of synovial fluid
clear and slightly yellow
what joints make up the hock (name them in order proximal to distal )
Tarsocrural
proximal intertarsal
distal intertarsal
tarsometatatrsal joint
What does a DLPMO radiograph highlight
dorso medial aspect and plantar lateral aspect of joint
What does a DMPLO radiograph highlight
dorso lateral and plantar medial aspect of joint
