DIT Flashcards
hematologic manifestations SLE
PANcytopenia
anemia (hemolytic), thrombocytopenia, leukopenia
SOAP BRAIN MD
serositis (pericardial, pleuritis, pleural effusion)
oral ulcers
arthralgia
photosensitivity
blood (pancytopenia)
renal (proteinuria, renal failure, glomeruloneph)
ANA
immunologic (anti dsDNA, anti Smith, antiphospholipid)
neurologic (personality change, seizures, psychosis, neuropathy)
malar rash
discoid rash
rheum markers for SLE
anti dsDNA, anti Smith, antiphos
ANA
anti histone
drug induced lupus
“SHIPP”
sulfonamides, hydra lazine, isoniazid, procainamide, phenytoin)
drugs that cause drug induced lupus (anti histone)
SHIPP sulfonamides hydralazine isoniazid procainamide phenytoin
patient with headaches, jaw claudication has shoulder and hip pain
Polymyalgia rheumatica
rheum markers for PMR
NONE!!!!!
check for elevated ESR
anti Jo 1 abs
polymotsitis/dermatomyositis
patient can’t comb hair, get out of chair, climb stairs, elevated aldolase, CK, AST, ALT
polymyositis
low fecal elastase
chronic pancreatitis (most sensitive test)
elevated lab markers for polymyositis/dermatomyositis
ALDOLASE
CK, AST, ALT, anti Jo 1 (antisynthetase)
complication polymer/dermatomyositis
increased malignancy risk
rx polymyositis/dermato
steroids
methotrexate, azothioprine
rx SLE
hydroxycholorquine
NSAIDS, steroids
avoid direct sunlight
lab/rheum markers for fibromyalgia
NOTHING!!!!!!!!
only pain points, no lab or pathologic cause
anti-scl 70/anti RNA polymerase
diffuse cutaneous systemic sclerosis
anti centromere`
limited cutaneous systemic sclerosis
limited cutaneous systemic sclerosis a/w what?
CREST syndrome Calcinosis (deep layers skin, fingers) Raynaud phenomenon Esophageal dysmotility sclerodactyli (tight fingers, no dactylitis/sausage) Telangiectasia (lips/hands/face)
patient with conjunctivitis, sand in eyes, dysphagia, dental caries
Srogen syndrome
Anti SSb
Anti SSA abs
aka Anti-Ro, Anti LA
SJROGEN
anti u1 RNP antibodies
mixed connective tissue disorder
overlap of SLE, polymyositis, systemic sclerosis)
joint pain worsens with use, DIP (heberden) PIP Bouchards
OA
risk factors OA
aging
obesity
previous joint injury
X-ray finding OA
osteophytes, joint space narrowing
rx OA
NSAIDs, celecoxib, acetominophen
steroid/hyaluronic acid joint injection
joint replacement
WEIGHT LOSS/REST
RF what kind of hypersensitivity
type III
swan neck deformities, ulnar deviation
RA
morning stiffness, improves with use
RA
lab and rheum marker RA (3)
anti IgG/rheumatoid factor
anti citrullinated protein antibodies (ACPA)
elevated ESR/CRP
ESR in OA
normal
ACPA (anti citrullinated protein antibodies)
RA
rx RA (4)
hydroxychloroquine
methotrexate
TNFa inhibitors (-zumabs, ertanercept)
leuflonomide
name some TNFa inhibitors
adalimumab
golimumab
infliximab
etanercept
rheum markers psoriatic arthritis
ANA and RF NEGATIVE
HLA-B27 positive
pencil in cup deformities of finger
psoriatic arthritis
common eye finding for all HLA-B27
anterior uveitis
joints involved ankylosing spondylitis
spine and SACROILIAC JOINTS
low back pain worse with inactivity, better with exercise
ankylosing spondylitis
bamboo spine
ankylosing spondylitis
rx ankylosing spondylitis (2 pharm, 2 conservative)
PT/exercise
NSAID/ celecoxib
TNFa inhibitors
HLA B 27 seronegative spondylarthropathies
"PAIR" psoriatic arthritis ankylosing spondylitis IBD arthritis reactive arthritis (uveitis, urethritis, arthritis)
medications that lead to decreased uric acid excretion
loop diuretics
thiazides
synovial fluid of gout vs pseudogout
gout - YELLOW, NEEDLE, NEGATIVELY birefringent
pseudo gout - BLUE, RHOMBOID, POSITIVELY birefringent
rx acute gout
NSAIDs
glucocorticoids
colchicine
rx chronic gout
allopurinol (inhibits uric acid production; xanthine oxidase inhibitor)
probenecid (prevents uric acid reabsorption)
risk factors pseudogout
hypercalcemia, hyperparathyroidism
Most common affected joint in gout vs pseudogout
gout - first big toe (podagra)
pseudo gout - KNEE, elbow, feet
MCC septic arthritis overall
staph aureus
young, sexually active patient with septic arthritis, pustules/papules on skin
gonococcus
lab findings septic arthritis
elevated ESR CRP
synovial fluid >50,000 WBC
luekocytosis
rx septic arthritis
immediate surgical drainage/irrigaiton
culture and empiric antibiotics (vanc, ceftriaxone)
How long does tick need to stay on skin to transmit Lyme dx
2-3 days
early localized lyme disease (1-2 weeks)
erythema migrans
constitutional symptoms
early disseminated Lyme disease (weeks to months)
facial nerve/BELLS PALSY
lymphocytic meningitis
peripheral neuropathy/radiculopathy
carditis (AV heart block, myocarditis)
late Lyme disease (months to years)
arthritis
mild encephalopathy
1st line rx lyme disease
doxy
DO NOT GIVE TO PREGNANT PATIENT
rx Lyme disease pregnant patient
amoxicillin
cefuroxime
x-ray finding pseudogout
calcification of articular cartilage (chonedrocalcinosis)
VERY HIGH YIELD
pseudo gout involves deposition of what…
calcium pyrophosphate dihydrate crystals
Ca, PTH, phosphate, alk phos value in osteoporosis
NORMAL
T score values for dx osteoporosis
> -1 normal
-1 - -2.5 osteopenia
< - 2.5 osteoporosis
pharm rx for osteoporosis
bisphosphonates
denosumab (RANKL inhibitor)
teriparatide (recombinant PTH, stimulates osteoblasts)
pancytopenia (increased infections), hearing loss, fractures, increased skull circumference, normal bone labs, flared ends Xrays
osteopetrosis (impaired osteoclasts, abnormally dense bone)
genetic, rare
patient arthritis, bored tibias, hearing loss, can’t fit hats, normal bone labs except alk phos
Paget disease (osteoclast overactivity -> osteoblast overactivity, unorganized bone)
how to dx paget’s
bone labs (elevated alk phos), osteolytic lesions on xray hot spots on radio bone scan
paget’s increases risk for….
osteosarcoma (lots of unorganized bone metabolism)
osteomyelitis in sickle cell patient
salmonella
osteomyelitis in IV drug user
pseudomonas
osteomyelitis in person with prostheses
staph epidermidis
MCC osteomyelitis
staph aureus
osteomyelitis in diabetic foot ulcer
pseudomonas
most helpful tests for osteomyelitis
MRI
also do bone biopsy and culture
can also see elevated ESR/CRP, bone erosion on Xray
what cancers like to met to bone?
"Permanently Relocated Tumors Like Bones" prostate renal testicular/thyroid lung breast
Rb gene mutation
osteosarcoma
11;22 translocation, young boy, bone tumor
Ewing
“soap bubble” bone appearance
giant cell tumor
painless bone mass, benign, male <25, “chunk” of bone with cartilage cap
osteochondroma
multinucleate giant cells, distal femur, proximal tibia, benign but destructive
giant cell tumor
elevation of periosteum on bone xray
sunburst pattern
osteosarcoma
onion skin appearance of bone on xray
Ewing
“wings and onion rings”
60 year old man, bowed out legs kyphosis, hearing loss, hat can’t fit
Paget’s disease
more common than osteopetrosis
carpal tunnel syndrome is injury of what nerve
median
numbness in palmar 1,2,3rd and half of ring finger
patient has blow to extended arm, arm is in external rotation and slight abduction
anterior shoulder dislocation
AXILLARY NERVE commonly affected
patient with seizure/electrocuted comes in with shoulder internally rotated and adducted, cannot externally rotate
posterior shoulder dislocaiton
rare
patient has hyperextension of 4’th and 5th MCPs, and flexed IPs, apparent when patient tries to extend fingers
ulnar claw (ulnar nerve injury)
patient can’t flex first and 2nd digits when asked to make fist
median nerve injury farther up arm
patient has thenar muscle atrophy and cannot abduct thumb
median nerve injury at elbow
patient develops wrist drop and cannot extend wrist
radial nerve injury
radical nerve compression against spiral groove of humerus
Saturday night palsy
scapular winging
long thoracic nerve
unable to wipe bottom
thoracodorsal
loss of shoulder abduction
axillary nerve
loss of elbow flexion and forearm supination
musculocutaneous
trouble initiating shoulder abduction
suprascapular
trouble abducting arm beyond 10 degrees
axillary
unable to raise arm above horizontal
long thoracic, spinal accessory
fracture of shaft of humerus
radial nerve
fracture of surgical neck of humerus
axillary
supracondylar humerus fracture
median nerve
fracture of medial epicondyle
ulnar nerve
fall on outstretched hand, fracture of distal radius, posterior displaced
dx and rx
colle’s fracture
long arm cast
fall on a flexed wrist, distal radius fracture, anterior displaced (more rare)
smith fracture
casting
fall on outstretched hand, tenderness at anatomical snuff box
rx and mangement
scaphoid fracture
thumb spica and serial imaging (initial imaging may be negative)
complication scaphoid fracture (2)
nonunion
avascular necrosis
patient gets into a fight, fractures neck of 5th metacarpal
rx and potential complication
boxer’s fracture
watch out for infection from bite
complication of femur fracture
fat embolus
elderly woman after fall with shortened and external rotated leg
hip fracture (watch out for femoral neck avascular necrosis)
rx carpal tunnel conservative
wrist splinting
activity mofidifaciton
pharm treatment for carpal of conservative fails
NSAIDs
glucocorticoids (injected or PO)
surgial decompression
how does ankylosing spond pain change throughout day
improves with exercise
worse in the morning
younger patient symmetric polyarticular arthritis self limited course
viral arthritis usually due to parvovirus b19