drk1980
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What is the most common etiology of Infective Endocarditis, in normal valves?
(in previously diseased the etio is Strep. viridans)
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| Geroo
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i think normal valve the most common is staph aureus
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| msyamp
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YES
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| sturge_weber
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staph aureus in normal valves, so if they give u a iv drug abuser , he will molst likely have staph aureus, which causes acute endocarditis
subacute is ie on the damaged valves, caused by strept viridans
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| msyamp
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catherter case? then stap epiderm
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| sturge_weber
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for subacute, strept mutans, viridans strept, and
st bovis{only if the patient has colon ca}
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| msyamp
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yes you are right.
previosly. when colostomy and ultrasound in not available.
colon cancer used to be diagnosed through this.
now i would put another question.
a gram positive coccus isolated from blood cultyres in a person with janeway leisions myalia , 1.fever he is drug user?
2. if he is not a drug user?
3. same person has no fever but vague symptoms fatigue , murmur. with poor oral hygeine?
4. with out poor oral hygeine. but had a lap chol. then?
5. very sick person with lying catheter?
what are the answers?
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| sturge_weber
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1.staph aureus
2.not sure
3. st mutans
4. st bovis
5. st epidermidis
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| msyamp
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2 4 are wrong
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| sturge_weber
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4 is laproscopic cholestectomy.. wht is for that
2 i dont know
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| msyamp
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4.enterococcus fecalis.
st bovis is for colon cancer
2. is also staph aureus
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| sturge_weber
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hahaha, msyamp, for 2nd i thought staph aureus, then thought why would u write again if its same, tricky uh...
good q though...
way to go
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| skyhigh
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which heart valves are affected by the above organisms in
infective endocarditis?
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| msyamp
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except two all are right sided.
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| skyhigh
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which two are left sided, if I remember properly i think staph epidermis? and the other one?
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| msyamp
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no i am question no two in my qusetions all others are right sided.
in a context like in q no 2 there can staph aureus or group a strep pyogenes, pneumo gono etc
one more to note with prostheticvalves
again staph, diphroids, coliforms, candida etc.
strep mutans
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| drk1980
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Thts wht i rmber learning too...staph aureus. thanks for the discussion u all!
but just to mention, in his audio lecs, Goljan for some reason stresses that Strep viridans is the most common organism overall to cause infective endocarditis. He goes on to say that they reside as normal flora in the mouth and everytime you brush your teeth, you are inducing a transient bacteremia!
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| sturge_weber
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well if the person ahas a damaged valve , strept viridans, which includes the strept mutans and strept sanguis, will be the most common..
but in a person with normal valves, staph aureus
thats whta i think drk
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