PANCE_MSK 8% Flashcards
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“Rupture of the flexor digitorum superficialis tendon will result in the significant loss of what function?”
“flexion at the proximal interphalangeal joint”
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Median Nerve motor hand function testing
OK sign
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Median Nerve sensory hand function testing
two-point discrimination of tip of index finger
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Ulnar Nerve motor hand function testing
abduct index finger (scissors motion)
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Ulnar Nerve sensory hand function testing
two-point discrimination over tip of fifth finger
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Radial Nerve motor hand function testing
wrist and finger extension
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Radial Nerve sensory hand function testing
dorsal thumb-index finger web space
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what chronic disease is strongly associated with adhesive capsulitis of the shoulder?
DM
DM is strongly associated with capsulitis, w/ an esp high prevalence in pts with type 1 DM
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initial presentation of adhesive capsulitis
pain worse at night
increasing stiffness over 2-9 months
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intermediate presentation of adhesive capsulitis
stiffness and severe loss of motion
less pain (4-12 months)
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recovery stage of adhesive capsulitis
gradual return of range of motion (5-24 months)
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what is most commonly serially monitored in pts on disease-modifying antirheumatic drugs (DMARDs)?
CBC
“one of the most common DMARD adverse events is bone marrow suppression, especially with sulfasalazine, methotrexate, gold preparations, leflunomide, cyclosporine and azathioprine”
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common PE findings of RA
symmetrical soft, red, tender swelling in joints: MCP, PIP
bilateral ulnar deviation at MCP, boutonniere deformity, swan-neck deformity
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lab findings for RA
positive RF
or
anti-cyclic citrullinated peptide antibodies;
increased ESR
increased CRP
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what should be done for all first metatarsal fractures?
all first metatarsal fractures should receive ORTHOPEDIC REFERRAL
including first metatarsal fracture with 1 mm displacement
b/c the 1st metatarsal is important for wt-bearing and balance
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“what is a Jones fracture?”
“fracture of the proximal fifth metatarsal diaphysis”
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septic arthritis synovial fluid findings
high WBC (>50,000 WBC/microL)
a predominance of neutrophils
(>75% PMNS)
low glucose
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“What do the crystals seen in the synovial fluid of a patient with a diagnosis of pseudogout consist of?”
calcium pyrophosphate
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MC cause of septic arthritis (overall)
S. aureus
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“Which of the following clinical findings differentiates rheumatoid arthritis from osteoarthritis?
A) Involvement of the proximal interphalangeal joints
B) Polyarticular involvement
C) Presence of constitutional symptoms
D) Symmetric joint involvement”
C) PRESENCE OF CONSTITUTIONAL SYMPTOMS
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OA vs RA: which worsens with usage of joint? which may improve with usage of joint?
RA: may improve with usage of joint
OA: worsens with usage of joint
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what is a torus (buckle) fracture?
buckling of the cortex in the distal metaphysis (visible on XR), or incomplete fractures of the shaft of a long bone
usually from a FOOSH
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Treatment for torus (buckle) fracture?
removable splint for 3 weeks
(considered stable)
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“what is the MC type of physeal fracture in children?”
“Salter-Harris II fracture”
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“An 85-year-old woman suffered a vertebral fracture after falling in the shower. Her DEXA scan revealed a T-Score of -3. [What] is first-line therapy for her underlying bone disorder?”
BISPHOSPHONATES such as alendronate
or ibandronate, risedronate, zoledronic acid
(MOA is inhibition of bone resorption)
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RF for osteoporosis
F sex
advancing age
chronic steroid use
ETOH/tobacco use
FH of fragility fx
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Dx of osteoporosis is made by……
DEXA/DXA scan
T-score <= -2.5
or presence of a fragility fx
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second line tx of osteoporosis
SERMs
recombinant PTH
denosumab
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63 y/o F w/ hip pain after fall presents w/ leg internally rotated and shortened - most likely diagnosis = ?
posterior dislocation of hip
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MC hip dislocations
posterior > anterior
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treatment of scaphoid fracture
thumb spica splint
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“Which nerve provides innervation to the ventral surface of the thumb, index, and long finger?”
Median Nerve
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The shoulder is most vulnerable to an anterior glenohumeral dislocation in what position?
abduction
and
external rotation
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what is the more common shoulder dislocation?
ANTERIOR > posterior
posterior shoulder dislocations are less common and are associated with grand mal seizures and electric shock
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“What is the most common type of major joint dislocation?”
glenohumeral joint (shoulder)