Quiz 1 Flashcards
Examination
History
Systems review
Tests and measures
- From history and systems review - determine needs and generate diagnostic hypotheses
- Use to establish diagnosis, prognosis, plan of care and select interventions
- Selection of specific tests and measures and depth of evaluation varies according to multiple factors
Age, severity of problem, stage of recovery, phase of rehab, home/community/work, and other factors - need to consider
Evaluation
Clinical judgement
Establish diagnosis, prognosis, plan of care
Diagnosis - organize ada into defined clusters, syndromes, categories
Prognosis - level of optimal improvement and time involved
Plan of care along w/ anticipated goals and expected outcomes, specific interventions, and proposed duration and frequency of interactions (in collab w/ clients and families)
Re-Examination
To modify or redirect interventions prompted by new clinical findings or failure to respond to PT interventions (referral back to physician)
Outcomes = impact on patient
- Disablement categories
- Risk reduction/prevention
- Wellness & fitness
- Societal resources
- Satisfaction
Why Examination?
Baseline info
Progression w/ disease or interventions
Placement decisions (rehab vs. long-term care)
Safety
Evidence of treatment effectiveness
Clinical Utility (Why Clinicians Choose Certain Tools)
Time to administer (concise vs testing everything; gross measures/screening)
Costs
Patient/client factors (diagnosis, tolerance - can they handle how long the test it?)
Sensitive to change - ability to measure change
Responsiveness -ability to measure meaningful clinical change (floor vs. ceiling effect - everyone is either at the top or bottom of test scale)
How to Select Examination Tools - Reliability
Consistency
Test-retest (stability of measure - admits once and retest them - should stay the same)
Intrarater - same therapist different times
Interrater - multiple therapists
How to Select Examination Tools - Validity
Accuracy
Face validity - does it look like what it’s going to measure (goniometry measures joint position)
Content validity - does it actually measure what it’s going to measure (VAS measures pain at rest or in motion, but does not assess factors that aggravate pain)
Construct validity - look at how’s tool built (not really concerned with this)
Concurrent ability - what’s been used in clinic compared to gold standard
Predictive validity
Predicative Validity
Predicts likelihood of return to function
Sensitivity - correct referrals/total abnormal x 100 = percentage of abnormal cases identified (how many people have condition)
Specificity - correct referrals/total normal x 100 = percentage at normal cases classified normal (how many people are normal and don’t have condition)
False Negative
Under referral
Tested negative, but have disease
False Positive
Over referral
Test positive, but don’t have disease
True Negative
Tested negative and don’t have disease
True Positive
Tested positive and have disease
Ability to Detect True Change
MDC (minimal detectable change) - statistical calculation - smallest amt of chance needed to exceed measurement variability
MCID (minimally clinical important difference)
- Clinically/patient meaningful change
- Usually compared to therapist or patient opinion of meaningful change or compared to gold/established standard measure
- Can depend on initial scores
Types of Instruments - Performance
Patient asked to perform tasks
Current level or ID max level
Do not measure real patient’s environment
Types of Instruments - Self-Assessment
Can be administered by therapist
Habitual performance (have you done it before and do it all the time) or perceived capacity (think you can do it)
May have time frame (how many times did you do this in last 24 hours)
May not have accurate reporting (lying, can’t read)
Degrees of Measurement - Nominal
Opposites - able to do vs. not able
Indep. vs. not indep.
Con - doesn’t provide enough info
Ex: can you stand up or no?
Degrees of Measurement - Ordinal
Degree to which person can perform
Rank order scale
- No difficulty/some difficulty/unable to do
- Min/mod/max assist
Con - not equal separation b/w categories
Summary Additive Con
Two patients w/ same score may be very different
Why Assess Function (Activity and Participation)
Patient’s key concern (as opposed to impairment level changes)
Collect consistent data
Provide baseline data
Determine other examinations (impairments such as ROM and strength)
Evaluate efficacy of rehab interventions
Capability vs. Performance
Can you vs. do you
Capability - 20% higher than performance
Depends on external environment and internal characteristics of individual
- Time constraints - may take them long time to do it and whip out their energy
- Energy demands - ADs to be used to save energy for other activities
Range of Motion
Measures - goniometry, tape measure
Functional tasks - getting up from floor, picking up a coin from floor, put on a coat, STS from low chair, place object overhead
Strength
Measures - MMT, one rep max, hand-held dynamometry, isokinetic dynamometry
Functional Tasks - picking up coin from floor, getting up from floor, lift weighted object, up/down 1-4 flights of stairs, chair rises
Balance
Measures - Tinetti, Berg, functional reach, Romberg/sharpened Romberg (EO/EC)
Functional tasks - obstacle course, picking coin up from floor, standing activities, turning 360, gait (change speed and direction)
Any time hands are in guard position - balance issue
Quick turns are when people fall
Cardiovascular Function
Measures - HR, BP, perceived exertion
Functional tasks - seated step test, 6 minute walk test, up/down 1-4 flights over stars, chair rises (x5 - timed chair rises, x10 timed stand rises)
Interrelationship between impairment and activity/function
Impairments doesn’t predict functions
Fugl-Meyer
Majority is impairment based
Performance based test
Approx. 30 minutes (can pick components)
Patients post stroke
Score: summary, UE, LE - 3 levels of grading (0,1,2)
Areas of assessment - UE/LE - joint range, joint pain, sensation (light touch, proprioception), DTRs, mvts in/out of synergy, grasp, coordination (tremor, dysmetria), sitting/standing balance
Dysmetria
Body can’t figure out distance needed to touch another part
Inaccurate aim
Berg Balance Scale
Balance - looks at risk of falling
Performance based
Approx. 15-20 minutes
5 levels of measurement
Higher score = better performance
Cutoff score < 45 - predictive of recurrent or future falls
Areas of assessment - STS, pivot transfers, changing BOS (feet together, tandem, one foot, place alternate foot on stool), reaching, bending, changing head position (looking behind you), eyes closed, turn 360
Resting Tremor vs. Intention Tremor
Resting tremor - tremors appear while resting, but disappear when moving
Intention tremor - start to move, tremor moves
Tinetti-POMA
Balance - performance-based - looks at risk of falling
Areas of assessment:
- Balance: sitting/standing balance, STS x3, turn 360, one foot stance, tandem stance, reaching, and bending
- Gait: initiation, path, balance, turning, timed walk, obstacle clearance
<19 - high risk for falls
19-24 - moderate risk
Functional Reach
Balance - performance based test
5 mins
> 15.2 but <25.4 cm - 2x as likely to fall
<15.2 cm - 4x more likely to fall
As you age, discrepancies b/w males and females increase
Looks at risk of falls
Multidirectional Reach Test
Balance - performance based test
Adds sideways and backward reaches
Fear of falling contributes to ability to reach backwards
Sit and Reach
Balance - performance based test
Patients w/ acute stroke - able to sit
1 min, raise intact arm to 90 degrees
TUG (Timed Up and Go)
Performance based - look at dependence
Stand up, walk 3 meters, cross a line, turn around, walk back, sit down
As quickly and as safe as possible
<20 seconds - independent in ADLs, community ambulation speed
> 30 seconds - increased dependence, need Ads, none could go out alone
Reliable for patients w/ PD
Time is dep. on pt’s ability
Use TUG to estimate Berg
Modifications to TUG
Cognitive - subtraction task (counting backwards by 3s)
Manual - holding almost full glass of water
Decrease in time to TUG alone
- Looks at ability to do two things at once
- Normal to have some decrements in both tasks
Huge time differences - higher risk of falls
Walk and talk test - have to stop and talk - higher risk for falls
BEST (Balance Evaluation Systems Test) Test
Full test - 27 items
Mini-BEST - 14 items (eliminated less reliable items)
Brief-BEST - 8 items (1 to 2 items in category)
Categories - biomechanical constraints, stability limits (functional reach), transitions (anticipatory postural adjustment - stand on one leg), reactive postural control (compensatory stepping), sensory orientation (modified foam and dome), dynamic gait/stability in gait = TUG
Short Physical Performance Battery
Screening test - performance based
Several components - chair rises 5x scored according to time, standing balance 3 foot positions (semi-tandem, side by side, tandem), walk 8 feet scored according to gait speed
Perfect score = 12
Low scores (4-6) - 4x more likely to have disability 4 years later
Mid-range scores (7-9) - 2x more likely
Physical Performance Test
ADLs, balance, gait speed
Task performance - performance-based
Approx. 10 minutes
9 or 7 items dependent on ability to use stairs
Time performance - scored according time to perform task except turning 360 degrees and no of flights of stairs
Quicker time = higher scores = better performance
Areas of assessment - writing, stimulated eating, putting book on shelf, putting jacket on, picking object from floor, 360 degrees turn, 50 m walk, stairs
Very reliable
Timed Movement Battery
Performance-based - screening test
Approx. 15-20 minutes
Two speeds - self-selected and as fast as possible
Quicker time = better score/performance
11 movement skills - supine to sit, STS, ambulation (6m towards, 3m backwards, walking and stepping over low (2 in) and high (6 in), obstacle, figure 8 walk, stairs, rising from floor
Can modify for pts
Rising from the floor - depicts fear of falling if they can’t get up
FIM (WeeFim for Children)
ADLs
Task performance tool - performance-based
7 levels of measurement w/ grades for device use (6) and supervision (5)
Higher scores = increased independence
Areas of assessment - feeding, dressing, bathroom skills, grooming, transfers, locomotion (ambulation/WC), stairs, communication, cognition
Heavily used in rehab
Score at admissions - predict where they wind up
Devices - different scores
WeeFim - children