Complete Solutions
*Inflammatory* synovial joint analysis consists of? Correct
Answers Clarity= *Translucent*
Color= *Yellow*
Crystals= *Possibly (gout, pseudo gout)*
Culture= negative
Blood test-FBS= *25mg/dl lower than blood*
Mucin clot= *Friable*
PMN %= *>50*
WBC= *2,000-75,000*
Viscosity= *low*
*Non-inflammatory* synovial joint analysis consists of? Correct
Answers Clarity= Transparent
Color= *Straw*
Crystals= none
Culture= negative
Blood test-FBS= to blood
Mucin clot= Firm
PMN %= < 25
WBC= *200-2,000*
Viscosity= high
*Normal* synovial joint fluid analysis consists of? Correct
Answers Clarity= Transparent
Color= Colorless
Crystals= none
Culture= negative
Blood test-FBS= to blood
,Mucin clot= Firm
PMN %= < 25
WBC= <200
Viscosity= high
*Septic* synovial joint analysis consists of? Correct Answers
Clarity= *Opaque*
Color= *White*
Crystals= none
Culture= *POSITIVE*
Blood test-FBS= *25mg/dl lower than blood*
Mucin clot= *Friable*
PMN %= *>75*
WBC= *>100,000*
Viscosity= *Variable*
A build up of uric acid crystals in the joint may be from
excessive brk down or over production of what? Correct
Answers purines
Based on ages, what is the long bone vasculature-possibility of
septic joint via metaphysis? Correct Answers *Infantile* (0-1
year): vessels penetrate the growth plate/ *sepsis occurs*
*Childhood* (1-16yrs old): Vessels done penetrate the growth
plate. *Joint sepsis not possible.*
*Adult* (>16): Vessels penetrate the growth plate, *joint sepsis
not possible.*
, Gout most commonly attacks what? Correct Answers 1st MPJ
(Podagra)> lisfrancs> the heel
How can Gonoccal arthritis be diagnosed? Correct Answers -
joint aspiration (gram stain, culture)
- blood cultures
How does acute bacterial arthritis present? Correct Answers
fever and acute monoarticular arthritis
How does Lyme dz present? Correct Answers Migratory
polyarthritis and tendonitis associated with an expanding skin
rash (erythema chronicum migrants)
How does Septic arthritis usually reach? Correct Answers -
Joint hematogenously
but, direct traumatic inoculation is possible
How is gout diagnosed by X-ray? Correct Answers - rat bites
- cloud sign
- punched out lesions
- Martel's sign- overhanging margins
How is gout dx by blood work? Correct Answers
Hyperuricemia (>7.5)
How is gout dx by joint aspiration? Correct Answers -
Negatively birefringent yellow needle shaped crystals
How is gout tx? Correct Answers need to determine if the
patient is overproducer or underexretor of uric acid