Exam 3 Flashcards
What is bariatrics?
Field of medicine that offers treatment to overweight people with a comprehensive program
Includes diet and nutrition, exercise, behavior modification, and lifestyle changes
May be indicated for appetite suppressants and other appropriate meds
Define body composition
Ratio of fat-free (bone, muscle, and water) to fat mass (adipose)
Expressed as percentage of body-fat or percentage of lean body mass
Define BMI
Accounts for height and weight to determine obesity
What BMI determines obesity?
> 30
Why is BMI measurement flawed?
Does not separate body fat from other body tissue
What body fat % determines if a man is obese?
25%
What body fat % determines if a woman is obese?
> 30%
Define body fat measurement
Take body fat compared to the other weight of the body
What BMI is considered morbidly obese?
> 40
What other comorbidities is obesity linked to?
MS disorders
Pain
Reduced cognitive performance
What is the BMI formula?
Mass (lb) x 703/height (in)^2
Define overweight in terms of body fat
Excessive amount of body weight that includes mm, bone, fat, and water
What is hydrostatic weighing?
Subtract body weight measured in water during submersion from body weight on land
= Displaced water
What variables must you know prior to hydrostatic weighing?
Residual volume
Density of water (altered with temp)
Estimated gas trapped in GI system
Dry body weight
What is important to do before submerging individual in water?
Exhale as much air as possible
What is the reliability of hydrostatic weighing?
High reliability
Gold standard
Define Archimedes’ Principle
Law of physics
Upward force (buoyancy) of body immersed in fluid EQUALS the weight of displaced fluid
What is Air Displace Plethysmography?
AKA BOD POD Sys
Subtracting volume of air in chamber when subject is in chamber from volume of air when chamber is empty
Thoracic gas volume is measured and subtracted
What is the reliability of the BOD POD?
High reliability, but not as high as hydrostatic weighing
What is DEXA?
Use low-level radiation to determine masses of fat, lean tissue, and bone mineral content
Also used in osteoporosis and osteopenia patients
What is the limitation of DEXA?
> 300 lbs
What is the theory of bioelectrical impedance?
Lean tissue (mostly water and electrolytes) is a GOOD electrical CONDUCTOR (low impedance)
Fat is a POOR electrical CONDUCTOR and acts as impedance to electrical current
How does bioelectrical impedance work?
Subject stands or grasps onto stainless steel electrodes or analyzer
What is a drawback to bioelectrical impedance?
Underestimate body fat for those who are obese and overestimates for those who are lean
What affects bioelectrical impedance?
Hydration level and exercise status
What is a skinfold measurement?
Based on the principle that subcutaneous fat is directly proportional to the total amount of body fat
What side of the body is skinfold measurement conducted on?
Right
How many sites are there in skinfold measurement?
7 sites
What determines reliability of skinfold measurements?
Specific to equation used
What do the equations of skinfold measurements indicate?
Body fat percentage
What is waist to hip ratio?
Waist circumference divided by hip circumference
What does waist to hip ratio indicate?
Strong correlation to risk factors of heart disease
Where do you measure in waist to hip ratio?
Waist - more inferior rib cage
Hips - around greater trochanters and iliac bones
What are common comorbidities to obesity?
CAD HTN Certain types of cancer Elevated cholesterol Type II Diabetes Gall bladder disease Sleep Apnea OA
What are the causes of obesity?
Cal consumption > cal burned
Genetic factors
Environmental and social factors
Illnesses that lead to weight gain/obesity - hypothyroidism or Cushings
Lack of sleep
Drugs
What drugs can cause obesity?
Steroids
Some antidepressants
Some meds for psychiatric conditions or seizure disorders
What is Cushing’s Syndrome?
Body exposed to high levels of CORTISOL for a long time
What are possible causes of Cushings?
Oral corticosteroid meds
What are sx/sx of Cushing’s?
Fatty hump
Rounded face
Pink/purple stretch marks
What are bariatric surgical interventions?
Gastric bypass
Lap Band
Panniculectomy
What is gastric bypass?
Create new routing system
Absorb less nutrients
Better for diabetes
What is a lap band?
Creates a smaller stomach by cinching a portion
What is a Panniculectomy?
Getting rid of excess skin
What are the precautions to think of when someone had a panniculectomy?
Reduce infections
Decrease secondary MS complications
Decrease weight of excess skin
What is apple ascites distribution?
More abdominal mass (high waist to hip ratio)
Ascites - fluid accumulation (firm or hard) and fluid does not move easily
What is apple pannus distribution?
Extra skin and more moveable
High waist to hip ratio
What is pear abducted distribution?
Narrow abdomen, but larger hip area.
More fat medially causing hips to ABD
What is pear adducted distribution?
More fat laterally causing hips to ADD
What positions do those with apple ascites have difficulty staying in?
Flat or prone
What positions do those with apple ascites prefer?
Semi-fowler
What are complications of apple ascites?
Very poor endurance
Activity limitations due to SOB with exertion
What postural adaptations are common in those with apple ascites distribution?
Hypertrophy of respiratory accessory Mm
Convexity of cerv region
Jugular Vn distention
Elevated clavicles and seek postures to stabilize UE on surfaces
What are mobility patterns in those with apple ascites?
Supine to sit via supine on elbows - flat spin on bed until perpendicular and elevate trunk by virtue of pt moving hips to EOB. May require a wider bed
Immobile abdominal mass makes breathing difficult. Avoid flat postures - log roll
Can those with apple pannus tolerate flat positions?
Depending on distribution of pannus patient may tolerate supine
If there is restriction from diaphragmatic excursion - pt will most likely prefer s/l
What activity is more tolerable in those with apple pannus distribution?
May have better endurance and distance amb because of less trunk restriction
How does someone with apple pannus distribution get from supine to sit?
Some use supine flat spin to perpendicular to sit up at EOB
How does someone with apple pannus distribution get on/off bed?
Prone entry on 4-point
Scoop pannus with one hand and enter prone
What are characteristics of those with pear abducted distribution?
Very low waist to hip ratio
Majority of tissue bulk is BELOW belt line and femurs are ABD
How do pt with pear abducted distribution position?
Supine tolerant
How is breathing for those with pear abducted positions?
Able to breath without much obstruction
How is the mobility in those with pear abducted positions?
Difficulty rolling d/t extreme ABD LE
Usually move from supine to long sit and then short sit over EOB
What are equipment implications of those with pear abducted distribution?
Narrower, lower bed, and wider w/c
What are characteristics of pear adduction?
Most tissue bulk below belt line and LOW waist to hip ratio
Majority of tissue bulk is on the lateral aspect of the thighs and femurs ADD
Easier access to pericare and hygiene
How is mobility in those with pear adduction?
Supine to long sit and then short sit
Able to log roll
What are indications for treatment in those who are obese?
Weakness
Impaired functional mobility
CP implications
Decrease endurance
MS pain or injury
Gait training
Balance
What are contraindications/precautions for treatment in obese?
Monitor VS
Follow protocols
Use appropriate equipment and look at weight limits
Define Modified Eggress
Goes through getting up and out of bed
Define Original Eggress
Looks at a patient only already sitting EOB
What should be included in documentation of bariatric patients?
VS, pain, strength, ROM, posture, body type, and sensation
Aerobic capacity, resp status, balance, and skin integrity
What are common interventions in bariatric patients?
Wound care
Bed mobility
Transfer training
Gait/aerobic exercise
Strengthening
Pt education
What are the 3 components of the Egress Test?
Sit to/from stand x 3 reps
Marching x 3 steps
Advance step and return each foot
Define Average Daily Wage (ADW)
Calculation of an injured worker’s average daily earnings
Sometimes used to determine entitlement to wage loss benefits following injury
Define Average Weekly Wage (AWW)
Similar calculation to ADW by determining entitlement to wage loss benefits by week for a fixed period of time
Define Functional Capacity Eval
A comprehensive battery of performance based tests that are commonly used to determine ability for work, ADLs, and leisure activities
Determine percent of impairment
Define Independent Medical Exam (IME)
Determines compensability, the extent of disability, necessity of treatment and type of tx, and/or to eval permanent disability or loss of earning capacity
Typically performed by a MD that knows nothing about the pt in ordef or an objective assessment
Can see same MD if post-op
Who can request an IME?
Insurance company or employer
How often is an IME performed?
Generally once every 6 months
How far away can IME be?
Within 100 mile radius
Define Permanent Partial Disability (PPD)
Benefits to employee who has sustained a permanent, but not complete disability
Define Permanent Total Disability (PTD)
Benefits if an injured employee is permanently AND totally disabled from work
Define Temporary Partial Disability (TPD)
Benefits available to injured employees who are able to work despite their injuries
Define Temporary Total Disability (TTD)
Benefits available to employees whose injuries leave them totally unable to work for a period of time
Define Statewide Average Weekly Wage (SAWW)
A computation of average wages paid to employees in a jurisdiction for set period of time
Used to calculate min and max amt of workers comp benefits that an injured employee will be entitled to receive
Define Social Security Disability Benefits (SSDI)
Benefits payable to disabled individuals through SS admin
Define Vocational Rehab
A variety of services that offered to injured employee to help them return to work
Part of work conditioning team
Help get pt back to work with restrictions
Define work hardening
Interdisciplinary, individualized, job specific program
Uses real or simulated work tasks and progress graded conditioning exercises specific to pt
Provide transitions
What is the goal of work hardening?
Return pt to work
Designed to improve biomechanical, neuromuscular, CV, and psychosocial functions
What terms are more common to use now for work hardening?
Occupational or Worker’s Rehab
Interdisciplinary, outcomes focused, and individualized program to address medical, psychosocial, behavioral, physical, functional, and vocational components of returning to work
What does work hardening address?
Physical tolerances
Job specific physical rehab
Productivity
Workplace safety
Job performance and injury prevention
Worker behaviors
Define work conditioning
Intensive, work-related, goal-oriented conditioning program designed specifically to restore systemic neuromuscular functions, muscle performance, motor function, ROM, and CV and pulm function
What is the goal of work conditioning?
Restore physical capacity and function to enable patient/client to return to work
Who provides work conditioning?
May provided by one discipline
What are the 7 components of work hardening?
- Strength and endurance
- Simulation of critical work demands
- Education
- Job modifications
- Individualized written plan
- Safe work environment
- Reporting system
What is involved during strength and endurance in working hardening programs?
Individualized program
Use equipment and tools to measure strength and conditioning - IE. Ergometers, dynamometers, and treadmills
Use strength and exercise devices, free weights, and circuit training
What is the goal of strength and endurance during work hardening?
Each worker is dependent on the demands of respective jobs
How do we simulate the critical work demands?
Progression in frequency, load, and duration
Must be work related and include a variety of work stations that offer opportunities to practice work related positions and motions
Why is education important in work hardening?
Body mechanics, work pacing, safety and injury prevention, and promote worker responsibility and self-management
What components are required during education of work hardening?
Direct clinician/work interaction
Program should cover A&P, back care, posture, and pain management
Role of exercise and worker’s responsibility in self-treatment
What adaptations may be needed for job modifications?
Added equipment
Change in work position/ergonomics
Change in/at work place environment
Adaptations should be trialed/practiced
What is part of the individualized written plan?
Observable and measurable goals
Methods to reach goals
Projected time necessary to accomplish goals
Expected out comes
What component helps to write individualized written plan?
FCE
Define FCE
Standardized and validated advanced levels of testing
Determines safe job matches to return to work
Assess levels of reasonable accommodations
Assignment of level of disability for permanent or partial impairment status
Who determines the level of disability for permanent or partial impairment status?
Medical provider
When is FCE performed?
Completed within the first 2-3 days of program
Results compared to critical demands stated on job description/analysis
What is included of the safe work environment and atmosphere in work hardening?
Need a designated, separate, work-hardening area - at least 100 square feet per patient
Appropriate to vocational goal and the worker
What is included with the reporting system of work hardening?
Documentation of initial plan
Meeting with the worker and essential team members after the first 5 working days of the program
Discharge summary
Record of daily attendance including # of days and hours per day
What are the 4 criteria components of admission to work hardening?
- Physical recovery sufficient for a progressive program and participation of min 4 hr/day for 3-5 day/wk
- A defined RTW goal
- Worker must be able to benefit from program
- Worker can be no more than 2 years post injury date
What kind of exceptions are there to the amount of time spent in work hardening?
Hand injuries and other specialized diagnoses - may begin at 2-3 hr/day
What other components are needed for being admitted for the full time of work-hardening?
Must have no severe psychopathology
Must have motivation to RTW
Non-related medical probs stabilized
Physician referral
What components are included in the RTW goal?
Documented specific job to return to with job analysis OR documented on-the-job training OR a job title
How do you know if a worker will benefit from work hardening?
Screening process that includes file review, interview, and testing
Determines success in program
Why is progression in work hardening so important?
Strong evidence predicts people will begin to develop a disability mindset at 4 weeks away from work
What is a work hardening timeline?
Should be completed in 4 weeks or less (usually more like 4-12 weeks)
Some may RTW on modified, light and/or part-time basis
What are exceptions to work hardening timelines?
Must be preauthorized (Every 4 weeks)
Must be justified by diagnosis
What is the criteria for discharge from work hardening?
Goal(s) achieved
Lack of achievement/participation - has not met interim goals or has been absent for more than allowed or non-adherence to schedule
Goal(s) discovered not feasible
- Unknown med prob discovered
- Clinician decides the physical goals are not attainable
- Job not available
What kind of supervision is needed during work hardening?
Must be a licensed PT or OT
Ratio of NO LESS THAN 1 licensed therapist to every 6 patients
Define Level I acute management
Acute stage of rehab
Days 1-3
Define Level II of acute management
Sub-acute stage of rehab
Days 4 to 3 weeks
Define Level III of acute management
Chronic stage of rehab
3 weeks to months/years
What are other levels of management?
Acute Injury Management
Work conditioning
Work hardening
What other components are important in acute injury management?
Determine hx of current condition or injury
Eval occupational/job performance demands
Perform physical exam
Determine gaps in existing performance and job demands
Remediate the difference in timely manner with a focus on case resolution
Define levels of involvement in work conditioning
Systematic approach used to the restoration of work performance skills of injured workers recovering from long-term injury or illness
Single discipline involvement
Focus on restoration of musculoskeletal, CV, and safe work demand performance
Circuit training and work simulation
Define levels of involvement in work hardening
Multidisciplinary, systematic approach used in restoration of work performance skills of injured workers recovering from long-term injury or illness
Identical to work conditioning design with addition of PSYCHOMEDICAL counseling, ergonomics, and job coaching/transitional work
Typically 5 days/week for 2-4+ hours
May progress to transitional work programming with actual performance of job duties at their site of employment
What is involved during a progress note in work hardening?
Min every 2 weeks
Always prior to MD visit
Includes comparison of previous assessment of musculoskeletal functional abilities to current
Indicates progress or lack of
Outlines goals met and goals to be achieved
Recommendations and summary to include reasons for continuing or discharging
What are the payer sources for work hardening?
Workers comp
State agencies (Bureaus of Vocational Rehab)
Legal settlements
What are the codes used in work hardening?
97545
97546
What is 97545 in work hardening?
Work hardening/conditioning for the initial 2 hours
Does NOT require direct 1:1 contact; however, needs individualized programs
What is 97546 in work hardening?
Used for each additional hour after 97545
Can be utilized without 97545
What if only 1 hour of care is provided in work hardening?
Can be argued that you are not at the level of work hardening/conditioning
Then, can use 97110 or 97530
What is Phase I of Amputee Rehab?
Acute/protective healing
What is Phase II of Amputee Rehab?
Pre-prosthetic training
What is Phase III of Amputee Rehab?
Prosthetic training
What is Phase IV of Amputee Rehab?
Advanced prosthetic training