What is analysed?
Pertussis analysis involves detecting the presence of Bordetella pertussis bacteria or pertussis antibodies in the blood or respiratory samples to diagnose whooping cough.
When is it requested?
Pertussis analysis is requested when a patient presents with symptoms suggestive of whooping cough, such as severe coughing fits, "whooping" sound during coughing, and post-cough vomiting.
Why undergo the analysis?
Pertussis analysis is performed to confirm the diagnosis of whooping cough, especially in cases where clinical symptoms are consistent with the disease.
When to undergo the analysis?
Pertussis analysis should be done as soon as possible after the onset of symptoms to facilitate early diagnosis and treatment.
What sample is required?
Respiratory samples, such as nasopharyngeal swabs or sputum, are collected for pertussis analysis.
Is any prior preparation necessary?
No specific preparation is required before pertussis analysis. However, patients should inform healthcare providers about any medications they are taking.
How is it used?
Pertussis analysis helps healthcare professionals confirm the diagnosis of whooping cough and initiate appropriate treatment and preventive measures.
What are the normal values?
There are no "normal" values for pertussis analysis as it involves detecting the presence of the bacteria or antibodies indicating infection.
Pertussis analysis results
| Result | Interpretation |
| Positive | Presence of Bordetella pertussis infection |
| Negative | Absence of Bordetella pertussis infection |
This table provides an overview of the interpretation of pertussis analysis results, aiding in the diagnosis and management of whooping cough.
What do altered values signify?
Positive results for pertussis analysis indicate the presence of Bordetella pertussis bacteria or pertussis antibodies, confirming the diagnosis of whooping cough. Negative results may indicate absence of infection or may occur if the test is done too early in the course of the illness.