Blood pressure chart: what your numbers mean
Different thresholds apply at the doctor’s surgery and at home. The complete chart, what really changed in 2024 and why there is no blood...
Basics
Calibrating a blood pressure wristband: why it isn’t enough
A reference value from a cuff is supposed to make the wristband accurate. What happens to the measurement uncertainty along the way, and ...
Apple Watch and blood pressure: what the watch really does
Anyone searching for “Apple Watch blood pressure measurement” expects a number on the display. There isn’t one. What the watch does inste...
Pulse pressure: what the gap between your blood pressure values reveals
There is more between 160/80 and 118/78 than just a high upper value. The gap between the two numbers – the pulse pressure – says somethi...
Blood pressure in the heat: why readings fluctuate in summer
In summer the blood vessels widen and blood pressure falls – considerably in some people. Why heat shifts your readings, when dizziness i...
Why your blood pressure is different every time you measure it
Two measurements two minutes apart, two different numbers – and both were measured correctly. Why blood pressure fluctuates from second t...
Which blood pressure monitor is the most accurate? The honest answer
From the discount store to the pharmacy: every approved device has to pass the same test under DIN EN ISO 81060-2. The difference arises ...
Measuring blood pressure with a smartwatch: what the watch can really do
A watch on your wrist does not measure pressure – it extrapolates it from light signals. Why this difference determines whether a number ...
Measuring blood pressure correctly: 7 mistakes that distort your readings
Cuff too loose, arm too low, straight after a coffee: small mistakes can shift a blood pressure reading by up to 20 mmHg. These seven poi...
Understand your blood pressure – a little more every week
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