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Category: Clinical Microbiology
Specimen Collection, Transport, and Processing: Bacteriology*, Page 1 of 2
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This chapter provides a detailed description of collection, transport, and initial handling of all sample types submitted for bacteriological studies. It includes guidance on specimen rejection, choice of specimen based on syndrome, media, molecular tests available, and Gram stain interpretations.
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(row 1, left) Gram stain (×100) of surgical wound showing elastin fibers. doi:10.1128/9781555817381.ch18.f1.
(row 1, left) Gram stain (×100) of surgical wound showing elastin fibers. doi:10.1128/9781555817381.ch18.f1.
(row 1, right) Gram stain (×1,000) of sputum showing Curschmann’s spirals. doi:10.1128/9781555817381.ch18.f2.
(row 1, right) Gram stain (×1,000) of sputum showing Curschmann’s spirals. doi:10.1128/9781555817381.ch18.f2.
(row 2, left) Gram stain (×1,000) of vaginal secretions showing clue cells. doi:10.1128/9781555817381.ch18.f3.
(row 2, left) Gram stain (×1,000) of vaginal secretions showing clue cells. doi:10.1128/9781555817381.ch18.f3.
(row 2, right) Gram stain (×100) of unacceptable sputum specimen (grossly contaminated with members of the oropharyngeal microbiota) showing >10 SECs per low-power field. doi:10.1128/9781555817381.ch18.f4.
(row 2, right) Gram stain (×100) of unacceptable sputum specimen (grossly contaminated with members of the oropharyngeal microbiota) showing >10 SECs per low-power field. doi:10.1128/9781555817381.ch18.f4.
(row 3, left) Gram stain (×100) of acceptable sputum specimen showing <10 SECs per low-power field. doi:10.1128/9781555817381.ch18.f5.
(row 3, left) Gram stain (×100) of acceptable sputum specimen showing <10 SECs per low-power field. doi:10.1128/9781555817381.ch18.f5.
(row 3, right) Gram stain (×100) of urine showing 4+ SECs, indicating gross contamination with vaginal or periurethral secretions and bacteria. doi:10.1128/9781555817381.ch18.f6.
(row 3, right) Gram stain (×100) of urine showing 4+ SECs, indicating gross contamination with vaginal or periurethral secretions and bacteria. doi:10.1128/9781555817381.ch18.f6.
(row 4, left) Gram stain (×1,000) of urine showing PMNs and 4+ Gram-negative bacilli. doi:10.1128/9781555817381.ch18.f7.
(row 4, left) Gram stain (×1,000) of urine showing PMNs and 4+ Gram-negative bacilli. doi:10.1128/9781555817381.ch18.f7.
(row 4, right) Gram stain (×1,000) of a wound showing PMNs, mixed bacterial morphotypes suggesting aerobic and anaerobic bacteria, and both intra- and extracellular bacteria. This appearance suggests a mixed aerobic and anaerobic abscess or closed-space infection. doi:10.1128/9781555817381.ch18.f8.
(row 4, right) Gram stain (×1,000) of a wound showing PMNs, mixed bacterial morphotypes suggesting aerobic and anaerobic bacteria, and both intra- and extracellular bacteria. This appearance suggests a mixed aerobic and anaerobic abscess or closed-space infection. doi:10.1128/9781555817381.ch18.f8.
Selection of common clinical specimens for bacterial culture a
Selection of common clinical specimens for bacterial culture a
Collection, transport, and storage guidelines for microbiological laboratory diagnostic studies a
Collection, transport, and storage guidelines for microbiological laboratory diagnostic studies a
Suitability of various specimens for anaerobic culture
Suitability of various specimens for anaerobic culture
Specimen management for infrequently encountered organisms a
Specimen management for infrequently encountered organisms a
Screening specimens requested for routine bacterial culture to ensure quality a
Screening specimens requested for routine bacterial culture to ensure quality a
Suggested priority list for accessioning samples received for bacteriology studies a
Suggested priority list for accessioning samples received for bacteriology studies a
Recommendations for Gram stain and plating media for bacteriology specimens or organisms
Recommendations for Gram stain and plating media for bacteriology specimens or organisms
Usual etiologies of selected infectious disease syndromes
Usual etiologies of selected infectious disease syndromes
Recommended blood volumes to obtain for blood cultures a
Recommended blood volumes to obtain for blood cultures a
Diagnosis of BV using a Gram-stained smear of vaginal secretions, by the Vaginal Infection and Prematurity Study Group criteria a
Diagnosis of BV using a Gram-stained smear of vaginal secretions, by the Vaginal Infection and Prematurity Study Group criteria a
Interpretation of bacterial lower respiratory tract culture results a
Interpretation of bacterial lower respiratory tract culture results a
Interpretation of urine culture results a
Interpretation of urine culture results a