Characterized by asymmetric joint stiffness, that How does OA affect the joint spaces?-
worsens as the day progresses- Osteoarthritis typically causes narrowed
Osteoarthritis joint spaces
Osteophytes found at the distal interphalangeal Name three common radiographic findings in OA-
joints in osteoarthritis- Heberden nodes OA causes subchondral cysts, narrowing of
(think HD TV - Haberdeen = distal) the joint space, and joint sclerosis on radiography
Osteophytes found at the proximal Does the synovial fluid analysis in osteoarthritis
interphalangeal joints in osteoarthritis.- reveal low or high levels of white blood cells?-
Bouchard nodes (Think BP gas - Bouchard Synovial fluid analysis in osteoarthritis
= proximal) reveals low levels of white blood cells
Which joints of the hands are most commonly What are the most common symptoms and signs
affected by osteoarthritis?- The distal of osteoarthritis?- The most common
interphalangeal (DIP) joints of the fingers are symptoms and signs of osteoarthritis are:
most commonly affected by osteoarthritis. ● Joint stiffness
● Joint pain
Does osteoarthritis affect the ● Joint deformity
metacarpophalangeal joints?- NO!
Osteoarthritis is a joint disorder that does not What effect on function can osteophytes have in
involve the metacarpophalangeal joints advanced osteoarthritis?- The osteophytes
can cause a physical obstruction resulting in
What are the bony prominences (caused by significantly decreased range of motion in the
osteophytes) at the DIP joints in patients with affected joints
osteoarthritis called?- Heberden nodes
Does osteoarthritis typically produce a mild or
What is the cause of osteoarthritis?- major joint effusion?- The effusions that
Mechanical wear and tear leading to occur with osteoarthritis are typically mild
articular cartilage destruction
What findings would commonly be seen on the
What structure is progressively damaged and weight-bearing X-rays of a patient with severe
eroded over time leading to osteoarthritis?- osteoarthritis of the knees?- ● Decreased
Articular cartilage joint space between the femur and tibia (may be
bone-on-bone), especially in the medial
Name the top three risk factors for osteoarthritis- compartment
Age, obesity, and joint trauma ● Osteophytes or spurs at the joint margins
● Sclerosis of the bone
Is osteoarthritis more common in men or
women?- Women What is sclerosis of the bone?- An
abnormal increase in density and hardening of
Which is more common: osteoarthritis or bone
rheumatoid arthritis?- Osteoarthritis is the
The loss of what motion is often an early sign of
most common type of arthritis
the development of osteoarthritis of the hip?-
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