WEEK 10 wrist and hand Flashcards
(32 cards)
What is carpal tunnel syndrome?
Compression of the median nerve in the wrist as it passes through a tunnel bordered by carpal bones and roofed by the transverse carpal ligament.
What is the peak age of onset for carpal tunnel syndrome?
45-60 years
t/f prevalence of CTS is 3 to 10 times higher in females than males
true
CTS occurs when volume of carpal tunnel ____ or the volume of the contents ____ resulting in increased pressure within the tunnel
decrease; increase
Where is median nerve pain, paresthesia, and/or numbness felt in carpal tunnel syndrome?
Volar aspect of the radial 3 digits
advanced cases of CTS include weakness and atrophy ____ muscles and ____ muscles to the index and middle fingers, hypohidrosis
thenar and lumbricals
MOI of CTS
sleeping with wrist in ___
full flexion
-prolonged repetitive activity with hands, vibration, pressure over volar wrist
arthritis spurs
synovitis
tumor formation such as ganglion cyst
chronic postioning to mid to end range of wrist flexion or extension
are all factors that
decrease volume of tunnel
increase fluid retention such as hypothyroidism or prego
irritaion of tendon sheath
congenital abnormalitis such as unusual proximal lumbrical origin on FDP tendon
increase volume of content
can obesity, alcoholism, smoking and diabetes lead to CTS
yes
pain and paresthesias felt volar aspect of which fingers and in radial aspects of which two as well as dorsum of these digits distal to DIP joint
index and middle and ring and thumb
is the palm involved in CTS
no
Which thumb motion is weak in carpal tunnel syndrome?
Opposition
patients may complain of pain in volar forearm, anterior upper arm and even shoulder for
CTS
surgery of CTS releases
transverse carpal ligament
Which two tendons are involved in De Quervain’s?
- EPB
- APL
What results from initial physical irritation in De Quervain’s?
Acute inflammation of the tendon sheath leading to chronic degenerative changes and tendinosis.
What causes De Quervain’s?
Repeated wrist radial deviation and/or thumb palmar or radial abduction.
What type of splint is used in De Quervain’s?
Thumb spica
pain in radial aspect of wrist over the involved tendons, refers into the thumb and up the radial side of forearm
dequevarins
aggravating factors include activites involved in ___grip and resistance to ____ deviation such as pouring milk, using hammer, lift infant
wide and ulnar
Which five diseases are associated with trigger finger?
- Diabetes
- Rheumatoid conditions
- Gout
- Hypothyroid
- Amyloidosis
What is trigger finger?
Tenosynovitis of digital flexor tendons.
associated with repetitive, forceful gripping of hands with symetric diseases like gout which casues patho changes in tendon
trigger finger