Yu kin de wɔnda wetin na dis "Gram Stain". Yu kin fred smɔl we dɔktɔ tɛl yu fɔ du dis tɛst. Bɔt nɔ wɔri. Dis na wan rili simpul, ɛn rili impɔtant tɛst we dɛn kin du bɔku tɛm. Tide, wi go tɔk bɔt am ditayli, rili simpul wan.
Wetin na Gram Stain tɛst?
Fɔ tɔk am simpul wan, Gram stɛyn na lab tɛst we dɛn kin du fɔ si if infɛkshɔn de sɔmsay na yu bɔdi, ɛn if na so, if na baktri de mek am. Imajin se yu trot de at ɔ yu wund we tan lɛk se i de swɛt. Dɔn di dɔktɔ kin tink se i gɛt fɔ du wit baktri. Da tɛm de, dis tɛst kin gi yu aidia bɔt am kwik kwik wan.
Dis min se yu fɔ tek sɔm pan yu urine, yu pus frɔm wund, ɔ sɔntin lɛk dat ɛn luk am ɔnda maykroskɔp. Dis kin mek yu no if baktri dɛm de ɛn if na so i bi, aw dɛn tan. Dis kin ɛp di dɔktɔ fɔ disayd us mɛrɛsin fɔ gi yu ɛn us ɔda tɛst fɔ du.
Wan shɔt introdukshɔn to baktri dɛm
Baktri na wan rili smɔl tin we gɛt wan sɛl. Dɛn kin de na wi bɔdi, na wi skin, ɛn ɔlmost ɔlsay na di say we wi de. Sɔm kayn baktri nɔ kin du wi ɛni bad tin, ɛn sɔm kin ivin ɛp wi. Bɔt sɔm kayn baktri dɛn de we kin mek pɔsin gɛt difrɛn infɛkshɔn ɛn sik dɛn. Di Gram stain test kin rili ɛp fɔ no dɛn kayn bad bad baktri dɛm ya.
insay dis tεst, baktri dεm de tכn difrεn kכla dεm bay di kεmikכl εn fכshal prכpati dεm na dεn sεl wכl dεm. akɔdin to dis, dɛn kin klas dɛn as "gram-positiv" ɔ "gram-negative". Bɔt wan tin we wi fɔ mɛmba na dat nɔto ɔl baktri dɛn kin afɛkt dis Gram stɛyn we. Dɔn bak, tɛm kin de we dis tɛst nɔmɔ nɔ kin ebul fɔ no ustɛm na di sik. Bɔt i kin gi big tin fɔ no bɔt di kayn baktri dɛm, we kin ɛp fɔ bigin tritmɛnt.
Di Gram stɛyn na wan rili impɔtant stɛyn we dɛn dɔn yuz insay maykrobayoloji fɔ ɔndrɛd ia. Wan man we nem Hans Kristian Gram we de stɔdi bɔt baktri na Denmak bin bigin fɔ yuz am fɔ di fɔstɛm insay 1882. I bin yuz am fɔs fɔ no di tin dɛn we de mek pɔsin gɛt nyumonia.
Wetin na Gram-positiv ɛn Gram-negativ baktri dɛm?
Naw lɛ wi si wetin dis ɔl Gram-positiv ɛn Gram-negativ tin bi. dis klasification de bays pan di we aw baktri dεm de riak wit di day we dεn ad to di sεmpl we dεn de du di Gram stεn tεst. Sɔm baktri dɛn kin tɔn pepul-blu kɔlɔ, ɛn ɔda wan dɛn kin tɔn pink-rɛd kɔlɔ.
Na ya , "positiv" nɔ min "gud", ɛn i nɔ min "negativ".Negativ nɔ min "bad" ɔ "nɔ gɛt baktri." Na jɔs wan klasification bay aw di baktri dɛn de riak to di day. sכmtεm, dεn kin kכl baktri dεm bak "gram-variable." Dis min se dɛn nɔ de stayn di sem we, ɛn dɛn kin tan lɛk miks pink ɛn pepul.
Gram-positiv baktri dɛm
di sεl wכl dεm fכ Gram-positiv baktri dεm de mek wit tik layεr dεm fכ wan tin we dεn kכl pεptidoglycan . Pεptidoglycan na di men kכmכpכnt fכ di sεl wכl dεm fכ mכst baktri dεm. i de mek lεk 90% pan di sεl wכl dεm fכ Gram-positiv baktri dεm. Na dat mek dɛn kin tan lɛk blu to pepul na di Gram stɛyn.
Sɔm kayn Gram-positiv baktri dɛm na:
- `Staphylococcus spisis`
- `Streptococcus spisis`
- `Kɔrinebakteriɔm spɛshal`
- `Klɔstridiɔm spɛshal`
- `Listeria spisis`
Gram-nɛgitiv baktri dɛm
gram-nεgεtiv baktri dεm gεt wan tכn layεr fכ pεptidoglycan (lεk 10% pan di sεl wכl) insay dεn sεl wכl dεm. dεn gεt hכy pasεnshכn fכ lipid dεm (i.e. fεt asid dεm) bak na dεn sεl wכl dεm. Dis na di rizin we mek dɛn kin tan lɛk rɛd to pink na di Gram stɛyn.
Sɔm kayn Gram-nɛgitiv baktri dɛm na:
- `Neisseria gonorrhoeae ɛn Neisseria meningitides`
- `Moraxella spisis`
- `Escherichia koli (E. koli)`
- `Pseudomonas spisis`
- `Proteus spisis`
- `Klebsiella spisis`
Wetin na di difrɛns bitwin Gram stɛyn ɛn baktri kɔlchɔ?
If yu dɔktɔ sɔspɛkt se yu gɛt baktriyal infɛkshɔn, bɔku tɛm dɛn go ɔda ɔl tu fɔ mek dɛn du Gram stɛyn tɛst ɛn baktriyal kɔlchɔ tɛst. Bɔt di tin dɛn we dɛn kin gɛt frɔm dɛn tu tɛst ya difrɛn.
Tink bɔt am dis we, gram stɛyn tan lɛk polis ɔfisa we de go na say usay dɛn de du kraym ɛn rayt kwik kwik wan wan rɔf diskripshɔn bɔt di wan dɛn we dɛn tink se dɛn gɛt (lɛk dɛn ayt, kɔlɔ, ɛn klos). Dis kin mek yu no kwik kwik wan bɔt udat de de.
baktri kכlt na di prכsεs we dεn de gro di baktri dεm we de insay sεmpl insay spεshal nyutriεnt mεdiכm na labכtכri εn afta dat dεn de no dεn nem. Dis kin tek sɔm dez, bikɔs sɔm baktri dɛn kin gro sloslo. Bɔt i kin ɛp bak fɔ no di rayt baktri ɛn di rayt tritmɛnt fɔ dɛn.
So, wan kwik rizulyt frɔm di Gram stainIvin if dɛn gɛt am, bɔku tɛm i kin jɔs tɛl yu di kayn baktri. Bɔt da infɔmeshɔn de rili impɔtant fɔ mek di dɔktɔ bigin fɔ trit am kwik kwik wan. di baktri kכlt na di כnli we fכ no di baktri kכrekt wan.
Us sik dɛn di Gram stain tɛst kin ɛp fɔ no?
Dɔktɔ dɛn kin ɔda fɔ mek dɛn du Gram stɛyn tɛst fɔ ɛp fɔ no ɛn trit sɔm baktriyal infɛkshɔn dɛn. Fɔ ɛgzampul, dɛn kin yuz am fɔ no bɔt tin dɛn lɛk urinary tract infection (UTI) ɛn baktriyal nyumonia. Bɔt dɛn nɔ ɔda am fɔ ɛvri baktriyal infɛkshɔn. Fɔ ɛgzampul, dɛn nɔ kin du Gram stɛyn fɔ sɔntin lɛk fɔ it pɔyzin, bɔt dɛn kin du am pan stɔl sɛmpul if nid de.
Kɔmɔn Gram-nɛgitiv baktri dɛm ɛn di sik dɛm we dɛn kin kɔz
Na sɔm Gram-negativ baktri dɛm ɛn di sik dɛm we dɛn kin kɔz:
- ` Escherichia coli : Urinary tract infεkshכn (UTIs), fכd pכyzin.`
- ` Legionella pneumoniae : Di sik we di lɛjiɔn dɛn gɛt.`
- ` Salmonella : Fɔd pɔyzin, Tayfɔyd fiva.`
- ` Klebsiella : Nyumonia, blɔd strim infɛkshɔn, wund ɔ ɔspitul sayt infɛkshɔn, baktriyal mɛningaytis.`
- ` Neisseria gonorrhoeae : Gɔnɔria.`
- ` Proteus : Urinary tract infεkshכn (UTIs).`
- ` Morganella morganii : Urinary tract infection (UTIs), sepsis, nyumonia, wund infεkshכn, mכskul skel infεkshכn, sεntri nεv sεstem infεkshכn, εn pεrikarditis (inflamεshכn fכ di mεmbran we de rawnd di at).`
- ` Aeromonas : ay infεkshכn, כsteomyelitis (bon infεkshכn), baktriyal mεningaytis, "nia-drowning" respiratory infεkshכn, jכyn infεkshכn.`
Kɔmɔn Gram-positiv baktri dɛm ɛn di sik dɛm we dɛn kin kɔz
Na sɔm Gram-positiv baktri dɛm ɛn di sik dɛm we dɛn kin kɔz:
- ` Streptococcus pneumoniae : Baktri nyumonia.`
- ` Staphylococcus aureus : Baktri nyumonia, mεtisilin-rεsistant Staphylococcus aureus (MRSA), εn tכxik shכk sεndrכm.`
- ` Grup A Streptococcus spisis : Strep trot infεkshכn.`
- ` Listeria : Fɔd pɔyzin.`
- ` Klɔstridiɔm : Fɔd pɔyzin.`
- `Klɔstridiɔm botulinum ɛn Klɔstridiɔm butirikam: Bɔtulism.`
Ustɛm dɛn kin du Gram tɛst?
If yu dɔktɔ sɔspɛkt se yu gɛt baktriyal infɛkshɔn, sɔm tɛm dɛn na fɛns infɛkshɔn, dɛn go ɔltɛm ɔda wan Gram stɛyn ɛn baktri kɔlchɔ. Dis na kɔmɔn we fɔ no kwik kwik wan if yu gɛt baktriyal infɛkshɔn na yu bɔdi.
Udat de du wan Gram Stain tɛst?
Dipen pan di kayn infekshɔn we yu kin gɛt, difrɛn kayn wɛlbɔdi biznɛs pipul dɛn kin gɛda wan sampul fɔ mek dɛn du Gram stɛyn tɛst. Fɔ ɛgzampul, dɔktɔ we de mɛn uman dɛn kin tek swab fɔ mek dɛn du Gram stɛyn tɛst fɔ no if pɔsin gɛt gɔno. Pɔlmonɔlɔjis kin tek wan sɛmpul fɔ swɛt frɔm yu kɔf ɔ sputum ɛn sɛn am fɔ mek dɛn du Gram stɛyn tɛst fɔ baktriyal nyumonia.
Dɔn yu dɔktɔ go put di sampul insay kɔntena we nɔ gɛt stɛriyl ɛn sɛn am na lɛbɔtri fɔ mek dɛn tɛst am. Wan sayɛnsman we de wok na di mɛdikal lɛbɔretri go smɛl di sɛmpul pan maykroskɔp slayd, put sɔm day, ɛn luk am ɔnda maykroskɔp. Dɛn go rayt ripɔt ɛn gi yu dɔktɔ.
Aw yu kin pripia fɔ wan Gram Stain tɛst?
Gud nyus! Yu nɔ nid fɔ du ɛni spɛshal fɔ rɛdi fɔ Gram stain tɛst.
Aw dɛn kin du di Gram Stain tɛst?
Jɛnɛral wan, tri men tin dɛn de we pɔsin kin du we i de du Gram stɛyn tɛst:
- Fɔ gɛda di sampul.
- Sampul pripiamɛnt.
- Test di sampul.
Kolekt di Gram stain sampul
Dis min se yu fɔ tek sɛmpul frɔm say usay yu dɔktɔ tink se yu gɛt di sik. Na sɔm we dɛn fɔ tek dis kayn ɛgzampul:
- Skrap ɔ brus di tisu frɔm di say we wan pat na yu bɔdi de.
- Fɔ gɛda wata ɔ wata we de kɔmɔt na yu bɔdi.
- Fayn-nidul aspirashon na we yu pul wan sεmpl fכ wata frכm sכmsay na yu bכdi yuz fayn nidul.
Dis na di ples dɛm we yu kin tek swab ɔ brus sampul:
- Trot
- Nos dɛn we de na di nos
- Di pat dɛn we de na di bɔdi
- Skin lɛsin dɛn
Sampul dɛn we yu kin gɛda dairekt insay wan stɛriyl kɔntena na:
- Saliva (sputum) we de kɔmɔt na di bɔdi .
- Urine we dɛn kin yuz
- Sidɔm ples
di say dεm na di bכdi usay dεn kin nid fכ aspirayt fayn fayn nidul na:
- di synovial fluid we de na yu joyn dεm.
- di wata we de rawnd yu at (pεrikardial fכluid).
- Pleural fluid na di wata we de rawnd yu lכng.
- sεribrospεnal fכluid (CSF) na di wata we de rawnd yu spεnal kכd.
Dɔn di dɔktɔ kin put di sampul insay wan kɔntena we nɔ gɛt stɛriyl ɛn sɛn am na di lɛb.
Aw fɔ du Gram staining
Insay di lab, di sayɛnsman we de na di mɛdikal lɛbɔraytri kin spre di sampul pan glas maykroskɔp slayd dɛn. Dɛn kɔl dɛn slayd ya "smears." Dɔn dɛn kin put sɔm day pan di smyul ɛn du di Gram stɛyn.
Di Gram staining prɔses involv 4 besik step dɛm:
- Aplikeshɔn fɔ wan praymari pigmɛnt (krɔs vayɛl).
- Ad wan tin we de fiks di kɔlɔ (Gram in ayodin).
- Rapid decolorization wit ɛtɛnol, asɛtɔn, ɔ miksɔp fɔ ɔl tu.
- Kontrastain wit safranin.
Chek di Gram stain
Dɔn, we di sayɛnsman we de na di mɛdikal lab luk am ɔnda maykroskɔp, dɛn kin sɔt ɛni baktri we kin de de bay dɛn kɔlɔ ɛn shep :
- Kɔlɔ : Gram-positiv baktri dɛm kin tan lɛk pepul to blu, we Gram-negativ baktri dɛm kin tan lɛk pink to rɛd.
- Shep : di shep dεm we kכmכn pas כl na sfεri (cocci) כ rod-shεp (bacilli).
Dɔn bak, di sayɛnsman we de wok na di mɛdikal lɛbɔraytri kin luk di grup dɛn we di baktri dɛn gɛt na di slayd ɛn luk fɔ ɔda tin dɛn we di sampul gɛt. Fɔ ɛgzampul:
- Yu tink se kɔk dɛn de wan wan, tu tu, grup dɛn we gɛt 4 pipul dɛn, insay grup, ɔ insay chen?
- di basili dεm fεt, tכn, sכt, lכng, כ dεn gεt big spכr dεm na wan εnd?
- Yu tink se baktri dɛn de insay di wayt blɔd sɛl dɛn?
Dɔn di sayɛnsman we de wok na di mɛdikal lɛbɔraytri go mek wan ripɔt ɛn sɛn am to yu dɔktɔ.
Wetin na di risk dɛm fɔ Gram stain test?
No risk nɔ de fɔ tek swab sɛmpul, ɔ fɔ gi saliva, urine, ɔ stɔl sɛmpul.
As fɔ blɔd tɛst, di prɔblɛm dɛn we kin apin kin rili smɔl. Sɔm kayn pen ɛn brus kin de usay dɛn pul di blɔd, bɔt i go wɛl kwik kwik wan.
Di poshubul risk dɛm fɔ fayn-nidul aspireshɔn na:
- Fɔ fil se yu nɔ de fil fayn ɔ yu de fil pen.
- Blɔd we de kɔmɔt.
- Wan infɛkshɔn.
- Damej to di tisu dɛn we de rawnd.
Wetin Gram stain rizulyt min?
Gram stεn tεst rizulεt de sho tu men tin dεm: wan "nεgεtiv Gram stεn" כ wan "positiv Gram stεn". dis nכ fכ kכnfyus wit di tεm "gram-nεgεtiv" כ "gram-positiv" baktri dεm.
Negativ Gram stɛyn
If yu tɛst rizɔlt se "negative Gram stain" ɔ "no organism seen," i kin min se nɔto inof baktri dɛn bin de we Gram stain go si. Bɔt if yu du kɔlchɔ fɔ di sem sampul, yu kin stil fɛn baktri dɛm.
Pozitiv Gram stɛyn
If yu tɛst rizɔlt se "positiv Gram stain", i min se baktri dɛn bin de na yu sampul. If yu rizɔlt na fayn, bɔku tɛm i go gɛt infɔmeshɔn lɛk dis:
- Di kayn baktri dɛm : Gram-positiv ɔ Gram-negative.
- di shep fכ di baktri dεm : if dεn sfεri (cocci) כ rod-shεp (bacilli).
- כda baktri dεm we de sho di baktri dεm : di sayz fכ di baktri dεm, dεn rilitiv bכku (nכmba), εn/כ di we aw di baktri dεm de grup tכgeda, if i apɔynt.
- Ɔda sɛl dɛn : If baktri de insay ɔda sɛl dɛn (intracellular), rɛd blɔd sɛl dɛn, ɔ wayt blɔd sɛl dɛn.
- Fɔngi : Gram stɛyn tɛst kin luk bak fɔ fɛns we tan lɛk yist ɔ mold. Bɔt dɛn nid fɔ du mɔ tɛst fɔ no uskayn fɔngus i bi.
Dis infɔmeshɔn, togɛda wit yu sayn dɛm ɛn ɔda tin dɛm wae yu dɔn fɛn na yu dɔktɔ, kin ɛp yu dɔktɔ fɔ disayd us tritmɛnt go woke fayn pas ɔl. Sɔntɛnde, dis kin ɛp bifo di rizɔlt fɔ wan baktri kɔlchɔ de.
Aw lɔng i kin tek fɔ no di rizɔlt fɔ di tɛst?
Gram stain test kin gi kwik rizulyt. Bɔt bɔku tɛm dɛn kin tek di rizɔlt dɛn we di Gram stɛyn kin gɛt as fɔs . Dis min se dɛn wan nɔ kin ebul fɔ no di sik ɔltɛm. baktri kכlt εn/כ כda tεst dεm (fכ egzampl, antijen εn antibodi tεst fכ spεshal kayn baktri dεm) kin nid fכ kכnfכm di diagnosis.
Ustɛm a fɔ kɔl mi dɔktɔ?
If dɛn no se yu gɛt infekshɔn ɛn yu gɛt ɛni prɔblɛm wit di tritmɛnt we yu de gɛt, ɔ if yu infekshɔn nɔ de bɛtɛ, mek shɔ se yu kɔntakt yu dɔktɔ.
Gram stɛyn na wan tɛst we rili kɔmɔn, bɔku tɛm i nɔ kin gɛt pen, we dɛn kin yuz fɔ chɛk fɔ si if baktri ɔ fɛns infɛkshɔn. Fɔ wet fɔ di rizɔlt fɔ wan diagnostik tɛst kin tranga smɔl. Bɔt mɛmba se ilɛk wetin na di rizɔlt, yu mɛdikal tim de fɔ ɛp yu. Nɔ fred fɔ aks kwɛstyɔn bɔt yu tɛst ɔ di rizɔlt.
Mɛsej we dɛn kin kɛr go na os
Okay, so frɔm wetin wi dɔn tɔk bɔt, a op se yu dɔn gɛt gud aidia bɔt di Gram Stain tɛst. Di men tin dɛn we wi fɔ mɛmba na:
- Gram stɛyn na tɛst we kin no kwik kwik wan if baktri dɛn de ɛn us kayn dɛn .
- Dis de klas baktri dɛm as gram-pɔzitiv ɔ gram-nɛgitiv . I kin ɛp di dɔktɔ fɔ pik mɛrɛsin.
- Pan ɔl we di tin dɛn we kin apin kin apin kwik kwik wan, sɔntɛnde dɛn kin apin fɔs . I kin nid fɔ mek baktri dɛn kɔlchɔ fɔ no di rayt baktri dɛm.
- No big risk nɔ de fɔ dis tɛst.
- If yu gɛt ɛni kwɛstyɔn, nɔ ɛva fred fɔ aks yu dɔktɔ .
So, if dɔktɔ aks yu fɔ du tɛst lɛk dis, di tin we impɔtant pas ɔl na fɔ nɔ panik bɔt am, bɔt fɔ ɔndastand se dis na sɔntin we impɔtant fɔ yu wɛlbɔdi.
` Gram stεn, Gram stεn, baktri, infεkshכn, Gram positifu, Gram nεgεtiv, labכtכri tεst dεm











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