OA Flashcards

1
Q

T/f OA is part of normal aging

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

what is affected during OA

A

whole joint

cartilage
synovial membrance
ligaments
bone

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

OA is ignited by ___

A

micro or macro injury

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

OA manifests as ___ and then__

A

molecular derangement

anatomic derangement

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

osteophytites in OA or RA

A

OA

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

risk factors for OA

A

age, sex, genetic
obesity, inactive
injury
occupation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

is age a risk factor

A

yes - because the way we use the joint at a higher age is a risk

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

is OA a wear and tear arthritis

A

false

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

medial compartment in men, more in white or asian

A

medial is white

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

lateral compartment in men, more in white or asian

A

lateral is asian

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

OA higher in men or women

A

women

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

MSK changes OA vs normal aging

A

normal aging you get:

lower bone metabolism
(dec bone turnover)

lower water content

no inflammation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

does OA or normal aging have decrease in lean mm mass

A

both

but OA Type 1 decreases

Normal Type 2 decreases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

Bouchards effects ___

Heberdens effects ____

A

PIP

DIP

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

how is OA identified

A

radiographic
symptomatic
MRI

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

main features of radiographic features

A

L - loss of joint space
O - osteophytes
S - subchondrol sclerosis
S0 subchondrol cyst formaition

17
Q

T/f radiographic OA difficult to diagnose in early stage

A

true

18
Q

kellgren Lawrence grading system diagnoses what

A

OA

19
Q

kellgren grading system

A
grade 0- no features
1 - doubt (minute osteophytes)
2-  minimal (definate osteophytes, space is fine)
3- moderate (some decrease in space)
4 - severe (joint space impaired)
20
Q

clinical features of OA

A

pain after using joint
morning stiffness/ after inactivity
releived by rest

21
Q

__ % of patients w joint damage experience pain

A

40%

22
Q

4 questions for sympomatic OA

A

constant or intermittent pain ..

any time most days of the month
in the past year
worse w activity
received w rest

23
Q

do you need to answer yes to all 4 questions

A

yes

24
Q

3 signs for symptomatic OA

A

effusion. flexion contracture. gait abnormality

25
Q

do you need all 3 signs for symptomatic OA

A

1

26
Q

T/f climate effects arthritis

A

it doesn’t cause it but warmth helps and changes in barometric pressure / temperate may effect pain

27
Q

is quadriceps weakness may be a modifiable risk factors for OA

A

yes - more quad strength lower risk

28
Q

how to calculate BMI

A

weight over height 2

29
Q

what BMI is high

A

25

30
Q

one pound loss of weight reduced four pounds of knee load

A

t

31
Q

does glucosamine sulphate help knee pain

A

it has a small effect