MSK PANCE Flashcards
Osteoarthritis
Unilateral
Morning stiffness get better within hour
then worsens throughout the day
DIP (Heberden), PIP (Bouchard)
Joint space narrowing, osteophytes
NSAIDS, Tylenol
Rheumatoid arthritis
ANTI CCP, RF, ESR / CRP
Morning stiffness last longer than an hour
Gets better through the day
Boutonniere/ Swan neck deformity
MCP/PIP (DIP is spared)
Boggy, warm, erythematous
Females 30-50
DMARD Methotrexate, Leflunomide, Hydroxychloroquine
TNF, -mab’s
Steroids for symptoms
Lupus
Anti smith
ANti DS DNA
Drug induced - Hydralazine, Isoniazid, Quinidine, Phenytoin, Procainamide, Methyldopa
NSAIDS
Hydroxychloroquine - joints
Steroids for flare ups
Polymyositis
Weak muscles
Pelvic and shoulder issues
CPK Aldolase elevated, biopsy definitive
Anti Jo
Steroids, methotrexate
Polymyalgia rheumatica
Pain stiffness
No weakness
Giant cell arteritis
ESR/CRP
Steroids
Polyarteritis Nodosa
Nodules and necrosis
small medium arteries
Hep B/C
Livedo reticularis (lace like pattern)
Starburst pattern
ESR
ANCA usually negative
Glucocorticoids
cyclophosphamide (immunosuppressant)
Scleroderma
Women 30-50
SCl 70
Anti centromere
ANA
CREST
TIght shiny skin
Lifestyle
Treat symptoms
Sjogrens
Anti Ro
Anti La
High risk of non hodgkins
Schirmer test,
Rose Bengal Stain
Mononuclear cell infiltration on biopsy (salivary gland)
Artificial lubricants, cyclosporine (dry eyes)
Pilocarpine (cholinergic) (systemic)
Osteomyelitis
S. Aureus, Salmonella (Sickle cell)
Children
Femur/Tibia
Bone Marrow biopsy
Surgical debridement
ABX (Vanc)
Osteoporosis
Spine, HIp, Radius Fx
Vertebral Fx MC
Osteoclast increase (decrease in bone density)
Chronic steroids, elderly, menopausal, White
Dexa
Under -2.5 treat
Over 65
under 65 postmenopausal with risk
(-1.0 - -2.5 = osteopenia)
Aerobic weight bearing exercise
Calcium 1000mg, Vit D3 600mg
Bisphosphonate
HRT (estrogen)
PTH if needed
Displaced Humeral Head fracture
Axillary nerve injury
Medial epicondylitis
Golfer
Pronator teres / Flexor Carpi Radialis
Lateral epicondylitis
Tennis
Extensor carpi radialis Brevis
Dequervains
Tenosynovitis
Finkelstein test
Extensor pollicis brevis and abductor pollicis longus
Women, postpartum, DM
Repetitive motion
Pain at radial aspect of wrist
Thumb spica
NSAIDS, PT
Steroid inj
Compartment Syndrome
5 P’s
(MC injury to long bone)
Firm wood like
Compartment pressure over 30
CK / Myoglobin
Fasciotomy, Elevate limb while waiting
Chronic Osteomyelitis
Sprain vs strain
Spain is ligament
Strain has a t - Tendon
Herniated Disk
C4
Shoulder Elevation
Herniated Disk
C5
Weak shoudler abduction
decreased bicep reflex
Herniated Disk
C5-C6
Weak elbow flex
Can’t curl
weak external rotation
Herniated Disk
C6-C7
Decreased Tricep
First 3 digits
Herniated Disk
C7-T1
Weak thumb to pinky
Weak finger grip
ring, pinky
Herniated Disk
Lumbar
L5-S1 MC
Sciatica
Pain, unilateral
radiates down leg from butt
Herniated Disk
Lumbar
L1
Inguinal region
Herniated Disk
Lumbar
L2-L4
Spinal stenosis
anterior aspect of thigh
Diminished reflexes, knee jerk
Herniated Disk
Lumbar
L5
Lateral aspect of thigh
Reduced foot dorsiflexion, toe extension
Normal reflexes (only one with normal)
Herniated Disk
Lumbar
S1
Ankle jerk
Black Swan
Posterior thigh
Loss of sensory of plantar foot
Cauda Equina
Neurosurg emergency
Retention more common
Herniated disc, Tumor, Abscess
L4-L5 Disc Herniation MC
Saddle anesthesia, Sphincter tone
MRI
Surg Emergent
Humeral Shaft Fracture Nerve
Radial Nerve
Humeral Head Fracture Displaced Nerve
Axillary Nerve
Supracondylar fracture Nerve
Anterior interosseous nerve
Radial Nerve
Radial head fracture nerve
Posterior interosseous nerve
Nursemaid elbow reduction
Radial head subluxation
Tx Supination and flexion
or Hyper pronation
Normal xray
Monteggia Fx
Ulna
GRUM
(Radila Dislocation)
Galeazzi Fx
Radial
GRUM
(Ulnar dislocation)
Hip dislocation
Short
Adduction
Internal rotation
Posterior
Hip Fracture
Short
Abduction
External rotation
Femoral Neck
Blood supply (Medial Circumflex femoral artery)
ORIF
Ottawa ankle rules
Pain at
Lateral malleolus
Medial Malleolus
Navicular Pain
pain at 5th meta tarsal
cant walk 4 steps on exam
Gets Xray
Ankle fracture classification
Weber
Normal
A, B, or C
Jones fracture
Fx of diaphysis of 5th metatarsal
pain at Base of 5th meta tarsal
usually with weight bearing
non weight bearing short leg cast 6-8 weeks
Non weight bearing
Gout
Purines, ETOH, HCTZ
Rat bite lesions on imaging
Tx
Acute - NSAIDS, Colchicine
Chronic - Allopurinol (urate lowering)
Contraindicated
Loop, HCTZ, ASA
Cat and dog bite bacteria
Pasteurella
Bartonella henselae
Augmentin
Child with limp and no cause
Rule out septic arthritis
Joint aspiration
Mallett Finger
Avulsion of extensor tenson
Unable to extend DIP joint
DIP Tear, small avulsion fx
Splint for 6 weeks
Boutinere
PIP tear
Splint 4-6 weeks
Jammed finger
Swan shaped
Shoulder dislocation nerve
Axillary nerve
Knee dislocation Nerve
Common peroneal Nerve
(Popliteal Artery)
Open fracture ABX
Small get Ancef
Large gets Ancef and genta
Drug induced lupus antibody
Anti histone
Dermatomyositis Antibody
Anti Jo
scoliosis dx
cobb angle >10 on Xray
Henoch sholein comlication
Intussuseption
flexor synovitis clinical dx
pain on passive extension
ACL Test most sensitive
Lachman
Meniscus tests
McMurray
Apley
Fibromyalgia lab test
All labs are normal
Osteomyletits diagnostic labs
ESR/CRP
Blood cultures 50%
X-ray - Periosteal
Septic Arthritis
Knee MC, Hip MC in peds
S.Aureus - MCC
N. Gonorrhea - Sex
Strep pneumo - Kids
GBS - neonates
WBC >50000, Mostly Neutrophils
ESR/CRP
IV ABX - Ceftriaxone, Vanc, Nafcillian
Drain joint, debridement
Developmental hip dysplasia
Risk factors
Risks
Breech delivery
First born child
Females
Family history
Barlow Maneuver
Dislocates the hip
Adduct fully flexed hip without downward pressure
Ortolani Maneuver
Reduces and puts hip back in
Abduction and elevation
Developmental hip dysplasia
ortolani and barlow
Done at every well check until walking (9months)
Can us US under 4 months
under 6 months - pavlik harness
over 6 months - surgery
Legg Calve Perthes
Idiopathic avascular osteonecrosis of femoral head
Ages 4-10, Males, obesity (rare in AA)
Painless limp for weeks, worsens with activity
Loss of Abduction and internal rotation
Widening cartilage space
Positive crescent sign on x ray
Observation restrict activity
PT
Surgical
SCFE
Displacement of the femoral head from femoral neck
(through growth plate)
age 8-16, obese, AA, commonly seen during puberty
Painful Limp worse with activity
Hip, groin, knee pain
Externally rotated leg
x-ray - posterior displacement of femoral epiphysis
(ice cream slipping off a cone)
Frog leg lateral pelvis view
Non weight bearing crutches then surgery
MCL Test
Valgus
LCL Test
Varus
ACL tear
Lachman - most sensitive
Anterior drawer - less useful
Hemarthrosis
MRI
RICE
Surgery
PCL tear
Commonly associated with hitting the dashboard
Posterior drawer test
MRI
RICE, Surgery
Meniscus tear
Medial 3 times more likely than lateral
Popping, Locking
Mcmurray test
Apley test
MRI
RICE
SURGERY
Patella fx
Direct trauma
limited knee extension
Sunrise view, cross table lateral view
Non displaced = immobilize, cast
displaced = surgery