Sputum Culture and Sensitivity Report Format
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What is the Sputum Culture Test?
A sputum culture test identifies bacteria or fungi present in mucus expelled from the lungs. It helps diagnose respiratory infections like pneumonia, tuberculosis, or bronchitis.
What is a Sputum Culture and Sensitivity Report Format?
This report outlines the pathogens isolated from a sputum sample and their sensitivity to antibiotics, helping guide appropriate treatment for lower respiratory tract infections.
Tests Included in Sputum Culture Report
Test | Description |
Sputum Culture | Detects bacterial or fungal organisms causing respiratory infection. |
Antibiotic Sensitivity (AST) | Evaluates the effectiveness of antibiotics against the identified organism. |
Key Parts of a Sputum Culture Report
Key Part | Description |
Specimen Quality | Notes if the sputum is adequate or contaminated with saliva. |
Culture Result | Identifies the organism grown from the sample. |
Gram Stain | Classifies bacteria as Gram-positive or Gram-negative. |
Sensitivity Report | Lists antibiotics and whether the organism is sensitive, intermediate, or resistant. |
Final Impression | Summarizes clinical significance of the findings. |
Common Organisms in Sputum Culture
Organism | Clinical Association |
Streptococcus pneumoniae | Common in community-acquired pneumonia. |
Klebsiella pneumoniae | Seen in hospital-acquired infections. |
Pseudomonas aeruginosa | Linked to chronic lung diseases and ventilator-associated pneumonia. |
Mycobacterium tuberculosis | Identified by specific TB culture or GeneXpert. |
Sample Antibiotic Sensitivity Format
Antibiotic | Sensitivity |
Ceftriaxone | Sensitive (S) |
Amoxicillin | Resistant (R) |
Azithromycin | Intermediate (I) |
Parameters to Consider in Sputum Culture Report
Parameter | Interpretation |
Pathogen Isolated | Indicates the likely cause of the infection. |
Colony Count | High counts suggest active infection. |
Mixed Flora | May indicate contamination or colonization. |
Sensitivity Profile | Guides selection of the most effective antibiotic. |
Guidelines for Sputum Culture Report Format
Guideline | Description |
Sample Collection | Early morning deep cough specimens yield the most accurate results. |
Quality Check | Assess squamous cells and pus cells to evaluate specimen reliability. |
Follow Clinical Context | Always correlate lab findings with patient symptoms and imaging. |
What Do the Results Mean?
Result Type | Interpretation |
Culture Positive | Confirms presence of infection-causing organism. |
Culture Negative | No growth; possible viral or non-infective condition. |
Drug Resistance | Indicates need for targeted or alternate therapy. |
Sputum Culture and Sensitivity Report Interpretation
Test | Interpretation |
Sputum Culture | Identifies causative organisms in respiratory infections and provides sensitivity to guide antibiotic treatment. |
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