IRAT 1 - WC/TOS/CTS Flashcards

1
Q

Compensation to injured workers dates back to

A

2500 BC

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2
Q

The origins of WC are placed

A

At the beginning of the industrial revolution (19th century)

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3
Q

Three principals gradually developed which determined what injuries would be compensable

A

Contributory negligence
The fellow servant rule
The assumption of risk

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4
Q

Held that employers were NOT held liable if the worker’s injury resulted from the negligence of a fellow worker

A

The fellow servant rule

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5
Q

Held that the employee knew of the hazards of the job when he signed on thereby agreeing to all the inherent risks

A

The assumption of risk

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6
Q

Western nations began to adopt a model for workers compensation in the

A

Late 1800s

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7
Q

In 1910 representatives from teh industrial states met

A

In chicago to outline a set of guidelines for WC

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8
Q

The 1st WC law was passed in ____ in 1911 and 9 states followed shortly thereafter

A

Wisconsin

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9
Q

Physician attitudes toward worker injuries changes in the 1930s when

A

Social security disability insurance was created

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10
Q

Social security disability insurance was created and shortly after the AMA published th

A

Guides to teh evaluation of permanent disability

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11
Q

WC coverage eventually advanced to a no fault system

A

A system that allows for an injured worker to be treated and compensated for an niury without negligence being allocated to the employer

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12
Q

in california today there are

A

More than 300,000 claims per year

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13
Q

Billions of dollars are spent in CA each year in

A

Benefits

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14
Q

The CA WC law requires that the injured worker prove that the injury

A

Arose out of and occurred in the course of employment

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15
Q

Injuries WC in CA can be either

A

Specific
Cumulative
Psychiatric, mental or emotional

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16
Q

Benefits in CA include

A
Temporary disability
Medical treatment
Permanent disability
Vocational retraining
Serious and willful misconduct
Death benefits
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17
Q

Temporary disability WC in CA

A

Paid at 2/3 of the injured workers average wage
Max is 1066.72 per week
Minimum is 160 per week

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18
Q

Phone rings at office WC filed

A

Dr. Files DFRI

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19
Q

You will then after DFRI have to

A

Request authorization for treatment

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20
Q

The UR (utilization review) process is to determine the medical necessity and appropriateness of treatment and is not

A

An approval or guarantee for payment of medical services.

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21
Q

Only the ___ can approve payment off UR

A

Insurance carrier or claims representative

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22
Q

After review of the request, based on teh medical information submitted, the following specific treatment and/or service for patient is denied

A

Adverse determination

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23
Q

Requested service meets the established criteria of medical necessity and reasonableness based on the information provided. If additional treatment is required, please forward request for ongoing/concurrent care in writing at least 3 days prior to start/implementation date.

A

Approval letter

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24
Q

You determine the patient to be at

A

MMI or P&S

Now determine PD and apportionment

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25
Q

Median nerve entrapment pronator teres syndrome

A

Common entrapment site that is between 2 heads of pronator teres adn the arch of flexor digitorum superficialis

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26
Q

Most common cause of pronator teres syndrome/median nerve entrapment

A

Fibrous bands

27
Q

If entrapment of median nerve takes place in carpal tunnel we call it

A

CTS

28
Q

Carpal tunnel formed by

A

Superior - transverse carpal ligament
Medially - pisiform/hamate
Laterally - navicular/trapezium

29
Q

Patient S&S
Pain and numbness/tingling in median nerve distribution area
Symptoms worse upon awakening
May complain of clumsiness or difficulty gripping
Thenar atrophy

A

CTS

30
Q

Most common to have HX of prolonged wrist oversuse

Pressure inside the tunnel increases with extreme positions

A

CTS

31
Q

Demographics of CTS

A

Women in 40s and 50s 4x more likely to develop it

32
Q

2nd most common WC injury

A

CTS

33
Q

CTS risk is high for work such as

A

Auto assembly, meatpacking, poultry processing

34
Q

Why are women predisposed to CTS

A

Smaller wrist bones
Genetic links
Strong hormonal changes during menses, pregnancy, and menopause

After age 50 men and women are equally predisposed

35
Q

CTS acute

A

Numbness and tingling in palmar thumb, index and radial half of middle finger
Positive tinel’s
Positive phalens

36
Q

Goals for CTS acute

A

Reduce any internal swelling, decrease pain or numbness/tingling frequency

37
Q

Concerns for acute CTS

A

If condition progresses to atrophy, surgery is likely

38
Q

Criteria CTS subacute

A

Frequency of numbness/tingling event is decreasing

39
Q

Goals CTS subacute

A

Retrain pt to proper activities to reduce stress on CT

40
Q

Concerns CTS acute

A

Pt is unable to avoid aggravating activites

41
Q

CTS symptom free criteria

A

No complaints with moderate daily usage

42
Q

Goals symptom free CTS

A

Maintain proper work ergonomic environment

Wean patient off night support

43
Q

Concerns CTS symptom free

A

Pt returns to work activities without proper ergonomic support

44
Q

Keyboard use and CTS

A

No association

45
Q

Mouse usage adn CTS

A

Still a question

46
Q

__ of CTS patients recover within a few weeks of surgical release

A

90%

47
Q

__ of CTS patients fully recover with conservative treatment after 2-12 weeks

A

30-70%

48
Q

Standard of nonconservative treatment for CTS is

A

Nocturnal neutral splintings or cock-up splint

49
Q

Prevention of CTS

A

Splinting

50
Q

__ of those in splint study group eventually ahd surgery after 18 months

A

41%

51
Q

US CTS

A

After 7 weeks showed significant improvement

52
Q

Classic Katz diagram

A

Greater than 2 out of digits 1-3; no palm involvement but radiation into forearms

53
Q

Probable katz diagram

A

Greater than 2 out of 1-3 digits;; palm involved

54
Q

Unlikely katz diagram

A

0 out of digits 1-3 with possible medial palm involvement

Illustrates more ulnar nerve involement

55
Q

TOS aka

A
Cervical rib syndrome
Scalenus anticus sydnrome
Pectoralis minor syndrome
Hyperabduction syndrome
Costoclavicular syndrome
56
Q

TOS anatomic space bordered by

A

1st rib
Clavicle
Superior border of scapula through which great vessels and nerves of upper extremity pass

57
Q

TOS is a syndrome characterized by symptoms attributable to compression of the neural or vascular anatomic structures that pass through the

A

Thoracic outlet

58
Q

TOS is bordered
Anteriorly by
Posteriorly by
Inferiorly by

A

Anterior scalene
Middle scalene
1st rib

59
Q

TOS tests

A
Adsons
Wrights
Eden
Roos
Auscultation
US of carotid artery
60
Q

Adson

A

Pain and/or paresthesia decreased or absent pulse amplitude, pallor

Compression of neurovascular bundle by scalenus anticus or cervical rib

61
Q

Wright

A

Aka hyperabduction maneuver

Compression of axillary artery by pectoralis minor or coracoid process. TOS

62
Q

Eden

A

Aka costoclavicular maneuver

Compression of neurovascular bundle between clavicle and 1st rib

63
Q

Roos

A

Aka EAST

Ischemic pain, heaviness of arms, numbness adn tingling of hand

TOS on side invlved

This is most accurate for TOS evaluation