Helicobacter Pylori Flashcards
1
Q
(+) result (Biochemical) of H.Pylori ??
A
- Oxidase
- Urease
- Catalase
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2
Q
Important properties of H pylori ??
A
- Gram (-)
- Multiple flagella = Motile
- Microaerophilic
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3
Q
What is microaerophilic ??
A
Requires less O2 CONC for survival
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4
Q
Rapid Dx procedure to identify infectious H pylori >??
A
Urea breath test
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4
Q
Disease caused by H pylori ??
A
- PUD
- Gastritis
- Gastric Carcinoma
- Mucosal associated lymphoid tissue MALT lymphomas
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5
Q
Specimen collection ??
A
- Gastric biopsy specimens
- Blood
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6
Q
Blood importance of H pylori specimen ??
A
Determination of serum AB
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7
Q
Non invasive test ??
A
- Urea breath test
- detection og IgG AB in serum
- 13C bicarbonate assay
- PCR-stool dental plaque water
248
7
Q
Invasive test for H Pylori ??
A
- Gram staining
- Giemsa staining
- PCR
- Rapid urease test -RUT
- Biopsy-Endoscopy
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8
Q
PUD tx ??
A
Triple therapy
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8
Q
Triple Therapy ??
A
- PPI
- Amoxicillin
- Clarithromycin
- Metronidazole
- 7 days
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9
Q
Media for H P ?
A
Skirrow media at 42deg C
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10
Q
Urea breath test procedure ??
A
- Swallow urea labled with isotope
- If organism present urease will cleave the ingested urea
- Radiolabeled CO2 is evolved
- Radioactivity in breath
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