PP on a blood pressure monitor: what the third number means
Many monitors show a PP next to systolic and diastolic. It is not a third measurement but the gap between the two values – and that is ex...
Many monitors show a PP next to systolic and diastolic. It is not a third measurement but the gap between the two values – and that is ex...
Feeling your pulse, interpreting symptoms, smartphone apps without a cuff: why none of these methods gives a blood pressure reading – and...
In the morning before breakfast and in the evening before bed, twice each time, for seven days. Why these particular times – and why meas...
Both arms the first time, then always the one with the higher readings. And the difference between arms is itself a finding that many peo...
“Best buy” lists usually compare features, not measurement quality. Seven questions that let you judge for yourself in a few minutes what...
A reference value from a cuff is supposed to make the wristband accurate. What happens to the measurement uncertainty along the way, and ...
Anyone searching for “Apple Watch blood pressure measurement” expects a number on the display. There isn’t one. What the watch does inste...
Ten centimetres below the heart shifts blood pressure by around 7.5 mmHg. Why the wrist measures systematically wrong – and when it is st...
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 ...
A watch on your wrist does not measure pressure – it extrapolates it from light signals. Why this difference determines whether a number ...
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...
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