Heba Baz (MBBCh, MD) is a professor of clinical pathology at Cairo University, Egypt, Member of core lab automation unit at Cairo University Uni Hospital (Kasr Alaini), she holds a Healthcare Quality Excellence Diploma from the American University in Cairo (AUC). Board member of the Egyptian Association of Laboratory Quality and patient safety. She is a specialized in clinical chemistry, lab automation, quality management, molecular diagnostics and addiction genetics.
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Abstract 1
How underlying evidence behind the test comparator shapes laboratory interpretation
One of the crucial factors affecting the correct interpretation of laboratory tests lays at coining the prefect “comparator” whether in the form of a reference interval or a diagnostic cut-off. Nevertheless, it is more often that young pathologists perceive these numbers as absolute facts, while the evidence behind each of these numbers is different in strength and some of which should be taken with a grain of salt. This is intended to be a series of lectures, directed to young pathologists to explore “The evidence behind the “comparator”; where, research behind how HbA1c of 6.5% became the cut off to diagnose diabetes mellitus is explore, and how the Vitamin D of 30 ng/ml that denotes sufficient stores of this vitamin can be a debated cutoff.
Abstract 2
The evolution of detecting and managing systematic error in the laboratory
This lecture directed to experienced pathologists under the title of "Systematic error; the evolution of tactics to detect it." It is aimed to stir the dialogue regarding the detection of systematic errors, from the use of the gaussian rules (10X, 81s, 81.5s) to the use of Cumulative sum QC data and exponentially weighted moving average. The toll of using each rule and why waging wars on systematic error is a tactic that might backfire using the analogy of “an enemy that should be befriended” to describe approaches to interpret and reduce the risk of systematic error.
Abstract 3
The TAT dilemma in the ER: navigating the trade-offs Between point-of-care devices and main lab diagnostics
This lecture is aimed at laboratory directors, it addresses a common problem that they face in the job, which is a hospital complaining of a “Turnaround time (TAT)” that needs to be reduced, using the TAT of high sensitive cardiac troponin in a hospital as an infamous example. The lecture explores the ideal TAT of this analyte and how to use “lean” methods to cut the waste of time from its analytical journey, and explores the pros and cons of using a POCT device in the ER versus relaying on the main lab’s machine.