Laboratory methods
HemoScreen Portable Analyzer in Clinical Hematology
Comparison of the portable HemoScreen hematology analyzer with Sysmex and Beckman Coulter stationary systems in patients with blood disorders.
Tag
Quality Control
Laboratory methods
Hematology Analyzer Comparability: A 4-Year Verification Study
A 4-year experience applying the CLSI EP31-A-IR protocol to verify the comparability of complete blood count results across nine hematology analyzers.
Lab test interpretation
Hook Effect in Blood Biochemistry: Understanding & Avoiding
Learn about the hook effect in laboratory diagnostics, how it impacts biochemical test results, and strategies to avoid it for accurate interpretation.
Laboratory methods
Clinical Laboratory Diagnostic Errors: Case Review
Analysis of typical errors in the clinical laboratory: preanalytical stage, critical hemogram values, normoblasts, and quality control of studies.
Laboratory methods
Photometer Lamp Defect: Causes of Underestimated Bilirubin
Why a biochemical analyzer lamp defect distorts bilirubin levels: features of photometry, spectral range, and diagnosis of hardware errors.
Laboratory methods
Quality Control Failure on a Biochemical Analyzer: A Case
A clinical laboratory quality control case: consistently low bilirubin on a biochemical photometer while other tests are normal. Determine the cause of the failure.
Laboratory methods
Errors in Ziehl-Neelsen Carbol Fuchsin Preparation
An analysis of an error in preparing Ziehl-Neelsen carbol fuchsin stain: why the dye solution unexpectedly turned green. A common lab mistake.
Lab test interpretation
Analyzer Calibration Failure in TSH Testing
Analysis of a laboratory error: systematic analyzer calibration failure led to falsely low TSH results and hyperdiagnosis of thyrotoxicosis.
Laboratory methods
Laboratory Error in Antibiotic Susceptibility Interpretation
Clinical case of a laboratory error: incorrect entry of antibiotic susceptibility into the system led to ineffective antibacterial therapy.
Lab test interpretation
Bilirubin Calculation Error in Serum Dilution
Analysis of a manual photometric bilirubin determination error: why it's crucial to account for serum dilution factors when calculating and reporting results.
Laboratory methods
Slide Substitution and Sample Labeling in Cytology
Analysis of a case involving slide substitution during biopsy examination, the consequences of a false diagnosis, and methods to reduce the risk of sample mix-ups in the laboratory.
Laboratory methods
False-Positive HIV PCR Result Due to Contamination
Analysis of a case involving a false-positive HIV PCR test result caused by amplicon contamination. Exploring the reasons for zoning violations in a PCR laboratory.