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Difference between revisions of "Stains"
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→Gram stain
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*Microbiology is better at finding organisms than pathology. | *Microbiology is better at finding organisms than pathology. | ||
**They have one significant advantage -- if a small amount of bugs are present... they grows into a large (obviously visible) colony. | **They have one significant advantage -- if a small amount of bugs are present... they grows into a large (obviously visible) colony. | ||
====DDx for common patterns==== | |||
{| class="wikitable sortable" | |||
! Shape\Gram stain | |||
! Positive | |||
! Negative | |||
! Variable or negative | |||
|- | |||
| Bacilli | |||
| Clostridium difficile | |||
| Escherichia coli, [[Helicobacter pylori]], Legionella pneumophila<ref>URL: [http://meded.ucsd.edu/isp/1999/CAP/legion.html http://meded.ucsd.edu/isp/1999/CAP/legion.html]. Accessed on: 7 May 2013.</ref> | |||
| [[Tuberculosis]] | |||
|- | |||
| Cocci | |||
| Streptococcus pneumoniae, Staphylococcus aureus | |||
| Neisseria meningitidis | |||
|} | |||
===Interpretation=== | ===Interpretation=== | ||