OA Vs RA

Question 1

What is OA related to

Answer 1

Wear and tear
*progressive loss of cartilage
*osteophyte formation at edges of cartilage

Question 2

What is the most common place for OA to occur

Answer 2

1. Knees
2. Hips
3. Cervical / lumbar spine
4. Wrists (1 CMC joint)
5. Hands (DIP joint)

Question 3

Where are heberdens nodes located

Answer 3

DIP joints
*OA

Question 4

Where are Bouchard nodes located

Answer 4

PIP joint
*OA or RA

Question 5

What type of onset is OA

Answer 5

Insidious
*often unilateral

Question 6

When is joint pain worse in OA morning or later in the day

Answer 6

Joint panini is worse later in the day
*morning stiffness is common typically lasts 30 minutes or less

Question 7

Is erythema common in OA

Answer 7

There is no inflammatory findings with OA
*no systemic symptoms

Question 8

What are the components of RA

Answer 8

1. Inflammatory
   *involves synovial membranes primarily and bone cartilage coverage secondarily
2. MC hands (PIP and MCP joints), feet (MTP joints)
3. Systemic involvement
4. Insidious onset

Question 9

What will develop on the fingers (RA)

Answer 9

1. Boutonnières
2. Swan neck deformities

Question 10

When is stiffness worse (RA)

Answer 10

Worse in the mornings and after inactivity
*lasts longer than OA
*will be tender and warm

Question 11

What are the systemic symptoms of RA

Answer 11

1. Weakness
2. Fatigue
3. Weight loss
4. Low fever