Ross - General Ortho Flashcards
what are h&p and pe red flags for acute ortho injury (6)
blood on clothing
pain out of proportion
elderly pt w. hip pain
jumping from height
elderly, hx of malignancy,
grossly deformed extremity
what might blood on clothing suggest
open fx
what might pain out of proportion suggest
compartment syndrome
what might an elderly pt w. hip pain and a negative film suggest
occult hip fx → needs CT, MRI, or DEXA
what might hx of jumping from a height suggest
calcaneous fx w. vertebral body compression
what might an elderly pt w. hx of malignancy/mechanism doesn’t fit suggest
pathologic fx
what might a grossly deformed extremity in the field that is now normal suggest
dislocation reduced in field → think vascular injury
you must always check and document vascular and neuro assessment for all injuries __
before AND after splint is placed
what does SLIPPS stand for
nerves of sacral plexus
what are the nerve roots of the sacral plexus
S1 - S4
what are the nerves of the sacral plexus
superior gluteal n
lumbosarcral trunk
inferior gluteal n
posterior femoral cutaneous n
pudendal n
sciatic n
how do you manage open fx (5)
- first gen cephalo
- splint
- ortho consult
- remove any gross contamination
- xrays
what should you avoid in open fx
probing open wound
why don’t we place casts in ER
swelling in first 24 hr of injury
how do you describe a fx (7)
closed vs open
location
orientation fx line
displacement
angulation
shortening
dislocation/subluxation
example of fx description
closed fx of the distal tibia
that is __
with __ displacement
with no angulation or shortening
how do you manage angulated and/or dislocations
reduction
spint
any vascular or neuro compromise and you must
consult ortho ASAP
name 4 complications of fx’s
non-healing bones
necrosis
loss of fxn
pain
what are the 3 stages of bone healing
inflammation
reparative
remodeling
what is sympathetic dysreflexia
rare complication of fx → chronic intense pain, pallor, dysfxn of extremity
what bones are high risk for sympathetic dysreflexia
scaphoid
femoral head
what is the cardinal symptom of compartment syndrome
pain
pain
pain
pain
pain is worse w. __ in compartment syndrome
passive movement
what injuries are prone to compartment syndrome
fx
crush
burns
2 mc locations for compartment syndrome
anterior compartment
forear,
what peds fx is at risk for compartment syndrome
supracondylar fx
how do you dx compartment syndrome
stryker device
what is nl for stryker test
< 20 mmHg
if stryker shows > 20 mmHg, you need to consider
fasciotomy
when evaluating joint pain, consider
infectious cause
what might be on your differential for joint pain
other inflammatory → ex gout
fx
what are rf for septic joint
DM
age > 80
recent joint surgery
prosthetics
prior joint infxn
pe of septic joints will show pain with __
and __
and __
passive movement
AND
active motion
AND
pain at rest
mc pathogens in septic joints
staph aureus
streptococci
what pt population is a concern for septic arthritis dt neisseria gonococcus
young, sexually active
what is a sign of a gonococcal septic joint
gunmetal gray lesions on hands
work up for first presentation of joint pain
- xray
- joint fluid aspiration
what labs do you order for joint aspiration
cbc
gram stain
lactate
total wbc count in septic joint
60,000
will wbc be high in infectious AND inflammatory joint conditions
yes
if wbc is around 60k in joint aspiration what must you do
order same day ortho consult
gout is often __
and ___,
gonorrhea is __
gout: monoarticular, recurrent
gonorrhea: ologoartigular (migratory)
lyme dz involves a __ arthritis
migratory
what are the 2 types of compounds that form in synovial fluid of joint or bursae
uric acid
calcium pyrophosphate
uric acid gout is also called
MSU (monosodium urate)
MSU gout has a __ appearance on aspiration
negatively birefringent needle shaped uric acid crystals
what lab value is unhelpful in acute gout attacks
serum uric acid levels
algorithm for gout - not using joint fluid
male
previous attack
onset w.in one day
joint redness
first metatarsal involvement
htn or cvd
serum urate > 5.88
what is low risk for the gout algorithm
< 4
what is intermediate risk for the gout algorithm
4-8
what is high risk for the gout algorithm
>8
tx for acute gout attack
- anti-inflammatories
- allopurinol, probenecid
how does allopurinol work
inhibits formation of uric acid
how does probenecid work
eliminates uric acid in urine
when is allopurinol used
when uric acid levels are high
when is probenecid used
when uric acid levels are normal
bursitis is an __ cause of joint pain
inflammatory
what are pe findings of bursitis
distinct area of erythema
minimal pain
when does a clavicle fx need an asap ortho consult
depressed fx
skin tenting
proximal
in a clavicle fx, make sure to test
terminal branches of brachial plexus → esp axillary motor and sensory
for shoulder dislocations, evaluate the position of
humeral head in glenoid fossa
pt w. clavicle fx may have hand held in
adduction and internal rotation
what xray view shows you location of the humeral head
y view
what is a hill-sachs fx
compression fx or “dent” of posterosuperolateral humeal head after anterior dislocation
what tests evaluate rotator cuff tear
neer
empty can
what injury do you think when a pt c.o pain that wakes them up at night and pain w. abduction
supraspinatus tear
tx for supraspinatus tear
- PT
- +/- surgery
what injury causes anterior shoulder pain similar to rotator cuff tear
bicipital tendonitis
what might a positive yeargason test suggest
bicipital tendonitis
what test involves arm at the side, then flexion of elbow to 90 degrees, then flexion of forearm against resistant
yeargason
what injury involves radial head subluxation
nursemaid’s elbow
tx for nursemaid’s elbow
no xray
arm held in slight flexion and pronation → reduce
humeral shaft fx is concerning for what n damage
radial
supracondylar fx is concern for what n injury
ulnar
what is a monteggia fx
midshaft ulna fx and radial head dislocation
what fx is this
monteggia → midshaft ulna fx and radial head dislocation
what is a galeazzi fx
radius fx w. ulnar dislocation at wrist
what fx is this
galeazzi
supracondylar/medial condyle fx are concerning for injury to what nerves
ulnar
median
what is tenodesis
surgical procedure to tx injuries to biceps tendon in the shoulder
what is the allen test used for
vascular/motor and sensory testing of median, ulnar, radial nerves
what is fds testing
flexor digitorum profundus testing
fds testing needs to be used in
any potential flexor tendon injury
tx for flexor tendon injury
urgent repair
possible hand surgeon
which are more vital to hand fxn, flexor or extensor
flexor
in any trauma to the wrist, you need to evaluate the
anatomic snuff box
tender anatomic snuff box should make you consider
scaphoid fx
tx for wrist injury
spica splint
flexor tenosynovitis is a __ injury
do not miss
when would you use kanaval’s signs
to evaluate flexor tenosynovitis
what injury is jersey finger
hyperextension → rupture of fdp
what is skier’s thumb
ulnar collateral ligament tear → radial deviation of thumb
what is a boxer’s fx
fx of 4th and 5th metacarpals
what is a “fight bite”
human bite wound
what must be considered in bite wounds
hidden tendon tears
abx tx for bite wounds
augmentin if no pcn allergy
abx tx for bite wounds
augmentin if no pcn allergy
aseptic necrosis most commonly affects __ aged populations,
they often complain of __ pain
middle aged
dull, throbbing
rf for aseptic necrosis include (3)
chronic steroids
etoh
SSA
tx for aseptic necrosis
- ct or xray
- non weight bearing
- ortho
tx for pelvic fx
- exsanguinate (drain) for small vessel bleeding
- traction splint to compress pelvis
hip fractures may present w. __ pain
groin
pe for hip fx will show
short, abducted and externally rotated leg
what should you do for an elderly pt who c.o of hip pain but has negative xray
keep imaging till you find something
what is shenton’s line and when should it be evaluated
obturator foramen to underneath femoral head
hip fx
hip dislocations are high risk for __
and should be __ early
avascular necrosis
reduced
mc hip dislocation
posterior
ottowa criteria is used to decide
who does NOT need imaging
if a pt meets none of the ottawa criteria,
fx risk is low → you do NOT need to xray
if pt does not meet ottawa criteria you should
evaluate pt
then make final decision
acl injury is caused by
direct blow to the knee → person changing direction
what test is used to evaluate acl
anterior drawer
in acl injury, a pt might say they heard a __
and pe will show __
pop
immediate pain/swelling
pcl injuries are caused by
hyperextension
test to evaluate pcl
posterior drawer
in a pcl injury, a pt might say they heard a __
and pe will show __
pop
immediate pain/swelling
mcl injury is caused by
direct blow to the lateral knee
what test evaluates mcl
valgus → laxity
lcl injuries are concerning for damage to what n
peroneal
peroneal n damage will manifest as
foot weakness w. dorsiflexion and eversion
pt w. an mcl injury can probably __ after injury
because it takes __ days for swelling to occur
ambulate
2-3
pe of mcl injury will show __
and __ of the joint
clicking and locking
what tests are used to evaluate mcl injury
mcmurry’s
apley’s
what are the ottawa criteria for ankle pain
- pain at medial malleolus radiating 6cm → xray
- pain at lateral malleolus radiating 6cm → xray
- inability to walk → xray
what is the ottawa foot criteria
pain at navicular → xray
pain at base of 5th metatarsal → xray
how many xray views do you need to evaluate ankle/foot fx
3
what are the 3 views for foot/ankle fx
AP
lateral
mortisse
what view is this
mortisse
what is the mnemonic for SALTR fx
slipped →
above
lower
the rest of SALTR mnemonic
through
ruined
ankle sprains are graded __
through __
1-4
grade 1 ankle fx
no ligament tear
no limitation
grade 2 ankle fx
some torn ligaments
some functional limits
grade 3 ankle fx
significant swelling/pain
laxity of joint
which grade fx should be non wt bearing
3 and 4
unstable ankle fx’s have wide __ involvement and
need __ emergently
mortisse
ortho consult
for tx of amputations, you should clean amputated part w.
normal saline!
after ns rinse, place amputated part in sterile container and
float on ice
4 indications for re-implantation
multiple fingers
thumb
single finger in kids
clean amputation at wrist, distal forearm, hand
contraindications for re-implantation
crushed, avulsed, dirty wounds
single finger in adults
multilevel injury
what fx’s are unique to peds
buckle
greenstick
what is nursemaid’s elbow
radius dislocation
annular ligament
what are you thinking if a child aged 2-12 is limping
transient synovitis
what are you thinking if a male child aged 5-9 is limping
idiopathic avascular necrosis
what are you thinking if an overweight, male child aged 10-16 is limping and complaining of groin pain
SCFE
what is a SCFE injury
slipped capital femoral epiphysis → assymetry of femoral neck
what are scfe injuries concerning for
damage to growth plate
what does the iced cream sign make you think of
scfe
how do you diagnose septic arthritis
us
how do you dx idiopathic avascular necrosis
mri
what is the ice cream sign
what is this xray showing and what condition does it suggest
ice cream sign
scfe