Doctor insights on:
Staphylococcus Aureus Biochemical Tests Results
Urine Culture Results
50,000-100,000 CFU/mL Staphylococcus coagulase negative not S.saprophyticus
10,000-50,000 CFU/mL Multiple organisms
See below: All laboratory results need to be interpreted in the clinical context and the doctor who ordered the tests is usually in the best position to do that. Having said that, the colony count, the dominant organism and multiple organism all suggest that this is not real urinary infection. The organisms are likely to be skin contaminants. ...Read more
Cultures : Await final cultures and sensitivities before determining antibiotics. ...Read more
Can staphylococcus haemolyticus cause prostatitis?
All major std negative. Urine culture shows staphylococcus haemolyticus. Prostatitis?
Differentiate between staphylococcus and streptococcus species in terms of Morphology,Biochemical test and Culture?
Staph vs Strep: This is a complex subject that is not conducive to extensive discussion here. Suggest you get a microbiology text. Staphylococci are larger and grow more in clumps than chains. Staph that produce coagulase are species aureus, the others are a wide variety of less pathogenic organisms except for lugdenensis which has characteristics of aureus in producing disease. ...Read more
Common skin germ: Staph aureus is just a common skin germ that is often found in abscesses or pustules. It is considered more invasive or aggressive than many other skin germs.MRSA is one strain of this germ. ...Read more
Urine culture - 10-49k beta hemolytic strep, group b - other gram positive organisms from urine. Can you interpret?
Legionella: Normal if never exposed is negative. If you've had legionellosis you can have persistent positive titters. Rising titters suggest recent or ongoing infection. ...Read more
Would bacitracin, novobiocin, and optochin susceptibility tests be effective tests for gram negative bacteria?
Sensitivity test: Yes. But the proof is in the giving of them to the patient. ...Read more
High vaginal swab result: scanty leucocytes & gram positive cocci, numerous gram positive bacilli, moderate epithelial cells . Result shows infection?
Not likely: Bacteria are part of the contents of the vaginal barrel. When infection is present due to bacteria there are usually large numbers of leucocytes and few epithelial cells. All told, however, test results are not always accurate, and best to discuss this with the doctor who ordered this to begin with. ...Read more
Is > 100, 000 col/ml staph coagulase negative beta lactamase positive in urine culture an infection or skin contamination?
Is GBS a second cause of my UTI? culture results: 10,000 CFU/mL Streptococcus Group B, (S. agalactiae) AND >100,000 CFU/mL Escherichia coli
X lab: urine culture test positive with e --coli.
Y lab: no significant growth
z lab (renowned in our city) klebsiella pneumoniae. What to do?
Pick your favorite.: Pick your favorite doctor that is. Something fishy is going on here. Need to get a good doc who can understand your symptoms and order and interpret testing. May want to reports discrepant results to labs. ...Read more
Hi Doc, had UTI test. Result: Epithelial cells 1-2/HPF, pus Cells 2-3/HPF, colony count 100,000 cfu/ml. Organism Isolated:Staphylococcus saprophyticus?
Possible UTI: The organism you described is a skin contaminant and is not considered a pathological bacteria it is not the bacteria that has given you a bladder infection. If you have pain on urination or pain around the belly you may have a bladder infection these values in your urine analysis are not diagnostic of a UTI. ...Read more
Tests conducted for pharyngal gonorrea.Results as below->"epithelial cells-occasional
gram positive cocci in pairs and chains -occasioal.". ?
Not positive: The gonococcus is usually an intracellular organism, and it is a gram-negative diplococcus. ...Read more
How accurate is the limulus amebocyte lysate (lal) test in detecting gram neg bacterial endotoxins? What r limitations of this test?
Newer test available: Endotoxin (lipopolysaccharide) are heat-stable breakdown products of gram-negative bacteria as the main constituent of the outer cell membrane. Lal test has been the standard for years, only practical method for direct detection of endotoxin. Recently, a similar assay based on recombinant factor c has been introduced. An elisa test, endolisa reportedly has advantages over the established lal. ...Read more
Food contaminant: Alcaligenes viscolactis causes food contamination and ropiness in milk. Biochemical tests for its identification are done in specialized laboratories. Please discuss it with a food science expert. ...Read more
Vaginal swab result
direct smear: no trichomonas
gram stain : epithelial cells positive cocci and positive bacilli..Is it normal?
history of sinus infections +dx of UCTD. Recent sinus cultures positive atypical bacteria (Serratia marcescens +Stenotrophomonasmaltophilia - Why?
ID physician: S maltophilia is an organism of low virulence and frequently colonizes fluids used in the hospital setting and patient cultures. Serratia species are opportunistic gram-negative bacteria that are widespread in the environment. And something is definitely wrong here...unless your on say prednisone (for MCTD) and didn't mention this. You should see an infectious disease physician ASAP. ...Read more
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