Westgard rules, explained simply
PLACEHOLDER write-up: a plain-language intro to Westgard multirule QC, what each rule detects and how labs use them to decide whether a run can be reported.
// learn
Lab science, decoded.
Bite-size clinical chemistry videos for uni students, new grads and curious lab people. Find me on YouTube @orvillemalijan →
📈 Quality Control
Westgard rules, Levey-Jennings charts and keeping results trustworthy.
Reading a Levey-Jennings chart
PLACEHOLDER write-up: how to spot shifts, trends and random error on a Levey-Jennings chart, with tips for students learning laboratory quality control.
🧪 Analysers
How the big chemistry analysers actually work, from photometry to ISEs.
Inside a clinical chemistry analyser
PLACEHOLDER write-up: a tour of the sample path in an automated chemistry analyser, covering pipetting, reagents, incubation and photometric measurement.
Ion-selective electrodes 101
PLACEHOLDER write-up: how ISEs measure sodium, potassium and chloride, and the common sources of error in electrolyte testing.
🔬 Interpreting Results
What the numbers mean, and when they might be lying to you.
Haemolysis and why it matters
PLACEHOLDER write-up: how haemolysed samples affect biochemistry results such as potassium, and how labs detect and report interference.
Reference intervals vs decision limits
PLACEHOLDER write-up: the difference between a reference interval and a clinical decision limit, and why “normal” is not always the right question.
🎓 Lab Careers
Getting into the lab, growing in it, and branching out from it.
So you want to be a Medical Laboratory Scientist
PLACEHOLDER write-up: an overview of the medical laboratory science pathway for university students considering a career in pathology.
From the bench to building software
PLACEHOLDER write-up: lessons from moving between laboratory work and tech, and the skills that transfer.