drworm
Forum Senior
Topics: 10
Posts: 137
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if it says weakly gram negative, penicillin resistant, erythromycin sensitive, outbreak in military facility which one do you pick? mycoplasma does not have cell wall, and both are erythromycin sensitive.
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| KEROCHI
Forum Guru
Topics: 60
Posts: 971
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tough choice..
well if in the hx it says younger pop i would pick mycoplasma
if it has (+) diarrhea, i would pick Legionella
just an opinion..
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| drworm
Forum Senior
Topics: 10
Posts: 137
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Outbreak in military barrack so may be younger pop, not sure. No diarrhea mentioned though.
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| ssrpk
Forum Fanatic
Topics: 154
Posts: 2,814
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look for atypical findings with legionella!
like, proteinuria, microscopic hematuria, hyponatremia!
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| SDK
Forum Fanatic
Topics: 537
Posts: 1,587
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cold agglutinin test.....mycoplasma
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| drworm
Forum Senior
Topics: 10
Posts: 137
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none of that was mentioned. Just pneumonia and that it was penicllin resistant, erythromycin sensitive and in a military barrack.
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| bactitech
Forum Elite
Topics: 25
Posts: 494
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It can't be Mycoplasma, as it won't grow on conventional media and can't be stained with Gram's stain.
http://www.patient.co.uk/showdoc/40000605/
Check out this page for a comparison and differential diagnosis....
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| drworm
Forum Senior
Topics: 10
Posts: 137
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I was leaning towards legionella too because of the weak gm stain. Mycoplasma would not stain if it does not have a cell wall. Thanks guys!
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| usmlegr
Forum Junior
Topics: 6
Posts: 56
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I quote from FA 2005: "Mycoplasma pneumoniae: Frequent outbreaks in molitary recruits and prison" page 182. I think its really hard to tell if the questions does not give you more info.
Edited by usmlegr on 09/02/05 - 08:01 AM
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