Blood culture
Sample type:
blood sample
Uses:
-
Bacteremia
-
Septicemia
-
Unexpected postoperative shock
-
Chills and fever in patient with UTI
-
Unexplained fever of more than several day’s duration
Precautions:
Handle the sample gently to prevent hemolysis
Interfering factor:
-
Blood cultures are subject to contamination, especially by skin bacteria. These organisms should therefore be identified in the laboratory.
-
Nonfilterable blood is usually due to the presence of abnormal proteins.
Pre-analytical errors:
-
Labeling specimens
-
Contaminations of the specimens
-
Preserving specimens
-
Transporting of the specimens
Corrective action:
-
Specimen should be labeled
-
Collection should be as aseptic as possible
-
Specimen should be transported quickly to prevent drying out.
Post-analytical errors:
-
Delayed report
-
Sent result to incorrect patient