II. Test Sensitivity: Gram Stain
- Factors improving sensitivity
- Centrifugation
- Experienced technician
-
Bacterial Meningitis
- Overall
- Untreated cases: Up to 80%
- Treated cases: Up to 60%
- Organism concentration
- Colony forming units (CFU) <1000/mm3: 25%
- Colony forming units (CFU) >100,000/mm3: 75%
- Organism specific
- Overall
III. Preparations: Special stains
- Acid Fast Stain: Tuberculosis
- India Ink: Cryptococcus (tap water control required)
- Wright or Giemsa stain: Toxoplasmosis
- Saline mount: Protozoa
IV. References
- Kooiker in Roberts (1998) Procedures in ER, p. 1067-75
- Ravel (1995) Lab Medicine, Mosby, p. 294-9
- Tunkel in Mandell (2000) Infectious Disease, p. 974-8
- Seehusen (2003) Am Fam Physician 68:1103-8 [PubMed]
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Concepts | Laboratory Procedure (T059) |
SnomedCT | 104200004 |
English | CSF gram stain method (procedure), Cerebrospinal fluid gram stain method (procedure), Cerebrospinal fluid gram stain method, Cerebrospinal fluid gram stain, cerebrospinal fluid Gram stain (lab test), cerebrospinal fluid Gram stain, CSF Gram stain, Gram stain, CSF, CSF gram stain method, CSF gram stain, Gram stain, CSF (procedure) |
Spanish | método de tinción de Gram, LCR, tinción de Gram, líquido cefalorraquídeo, Tinción de gram de LCR, tinción de Gram, líquido cefalorraquídeo (procedimiento), método de tinción de Gram, líquido cefalorraquídeo (procedimiento), método de tinción de Gram, líquido cefalorraquídeo |
Portuguese | Coloração de Gram no LCR |
Dutch | gramkleuring van ruggenmergvocht |
Italian | Colorazione di Gram del LCS |
French | Coloration de Gram sur LCR |
German | Liquor Gram-Faerbung |
Czech | Gramovo barvení v mozkomíšním moku |
Japanese | CSFグラム染色, CSFグラムセンショク |
Hungarian | CSF gram festés |