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Tests and Numbers

Everything we have published on tests and numbers, newest first.

An abnormal ECG and what follows: six beginner deviations
Tests and Numbers

An abnormal ECG and what follows: six beginner deviations

Advice on an abnormal ECG and what follows tends to split in two: impossibly complex, or sold as one click. Reality sits between. It needs some…

Alaric PennAlaric Penn·March 23, 2026·4 min read
Follow-up rhythm for lung nodules: set the standard first
Tests and Numbers

Follow-up rhythm for lung nodules: set the standard first

Advice on follow-up rhythm for lung nodules tends to split in two: impossibly complex, or sold as one click. Reality sits between. It needs some…

Curtis ValeCurtis Vale·March 17, 2026·4 min read
Organising years of reports: fixing it point by point
Tests and Numbers

Organising years of reports: fixing it point by point

Most people want organising years of reports to make things better. The workable version of that goal is steadier: a floor you can hit on a bad day.…

Verity LangVerity Lang·March 11, 2026·4 min read
The blind spots of employer check-ups, from judgement to action
Tests and Numbers

The blind spots of employer check-ups, from judgement to action

Let us set the limits of the blind spots of employer check-ups first: it reliably improves fewer trips you did not need, and it does not deliver…

Silas TurnerSilas Turner·March 5, 2026·4 min read
Baseline tests in your thirties: three months in this order
Tests and Numbers

Baseline tests in your thirties: three months in this order

Most people do not fail at baseline tests in your thirties from misunderstanding it. They fail because understanding is not doing. What follows is…

Alaric PennAlaric Penn·February 27, 2026·4 min read
Which screening tests are worth it first: set the standard first
Tests and Numbers

Which screening tests are worth it first: set the standard first

Advice on which screening tests are worth it first tends to split in two: impossibly complex, or sold as one click. Reality sits between. It needs…

Curtis ValeCurtis Vale·February 21, 2026·4 min read
The blood count lines that matter: three months in this order
Tests and Numbers

The blood count lines that matter: three months in this order

Separate two things in the blood count lines that matter: the outcome you want and the action you can sustain. When the gap is too wide, shrink the…

Verity LangVerity Lang·September 13, 2026·4 min read
Reading a four-part lipid panel: cost, time and results
Tests and Numbers

Reading a four-part lipid panel: cost, time and results

Separate two things in reading a four-part lipid panel: the outcome you want and the action you can sustain. When the gap is too wide, shrink the…

Silas TurnerSilas Turner·September 7, 2026·4 min read
Where fasting glucose stops being normal: set the standard first
Tests and Numbers

Where fasting glucose stops being normal: set the standard first

There is plenty written about where fasting glucose stops being normal and little you can act on. This piece stays concrete: every action can be done…

Alaric PennAlaric Penn·September 1, 2026·4 min read
First steps when uric acid is high: knowing when to stop
Tests and Numbers

First steps when uric acid is high: knowing when to stop

Anyone who has spent time on first steps when uric acid is high has a failure story: a strong start, a collapse in the middle, then silence. This is…

Curtis ValeCurtis Vale·August 26, 2026·4 min read
Why liver enzymes fluctuate: fixing it point by point
Tests and Numbers

Why liver enzymes fluctuate: fixing it point by point

Let us set the limits of why liver enzymes fluctuate first: it reliably improves a feel for your medication rhythm, and it does not deliver…

Verity LangVerity Lang·August 20, 2026·4 min read
A first pass on thyroid function, from judgement to action
Tests and Numbers

A first pass on thyroid function, from judgement to action

There is plenty written about a first pass on thyroid function and little you can act on. This piece stays concrete: every action can be done at your…

Silas TurnerSilas Turner·August 14, 2026·4 min read
Are tumour markers worth testing: cost, time and results
Tests and Numbers

Are tumour markers worth testing: cost, time and results

Advice on are tumour markers worth testing tends to split in two: impossibly complex, or sold as one click. Reality sits between. It needs some…

Alaric PennAlaric Penn·August 8, 2026·4 min read
What an abdominal ultrasound shows: three months in this order
Tests and Numbers

What an abdominal ultrasound shows: three months in this order

If you have already tried what an abdominal ultrasound shows and dropped it, the fault is usually in the setup: a starting point set too high, an…

Curtis ValeCurtis Vale·August 2, 2026·4 min read
What carotid ultrasound tells you: cost, time and results
Tests and Numbers

What carotid ultrasound tells you: cost, time and results

Anyone who has spent time on what carotid ultrasound tells you has a failure story: a strong start, a collapse in the middle, then silence. This is…

Verity LangVerity Lang·July 27, 2026·4 min read
When to check bone density: set the standard first
Tests and Numbers

When to check bone density: set the standard first

If you only read one paragraph, read this: when to check bone density depends on how the situation is set up, not on how you feel at the time.…

Silas TurnerSilas Turner·July 21, 2026·4 min read
Preparing for bloodwork properly: a checklist you can tick
Tests and Numbers

Preparing for bloodwork properly: a checklist you can tick

There is plenty written about preparing for bloodwork properly and little you can act on. This piece stays concrete: every action can be done at the…

Alaric PennAlaric Penn·July 15, 2026·4 min read
How seriously to take a flagged result, from judgement to action
Tests and Numbers

How seriously to take a flagged result, from judgement to action

Separate two things in how seriously to take a flagged result: the outcome you want and the action you can sustain. When the gap is too wide, shrink…

Curtis ValeCurtis Vale·July 9, 2026·4 min read
Setting a recheck interval: six beginner deviations
Tests and Numbers

Setting a recheck interval: six beginner deviations

Let us set the limits of setting a recheck interval first: it reliably improves fewer trips you did not need, and it does not deliver overnight.…

Verity LangVerity Lang·July 3, 2026·4 min read
When two results disagree: is it worth doing at all
Tests and Numbers

When two results disagree: is it worth doing at all

There is plenty written about when two results disagree and little you can act on. This piece stays concrete: every action can be done at the kitchen…

Silas TurnerSilas Turner·June 27, 2026·4 min read