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'''Blood pressure''' describes the pressure of the blood against the walls of the blood vessels which is mostly a result of the heart pumping. Typically blood pressure is given through two values: The "systolic pressure" – which is the highest pressure during a heart beat – and the "diastolic pressure" – which is the lowest pressure between two heart beats. Blood pressure is a key vital sign used to evaluate health, alongside [[Tools for heart rate or pulse|heart rate]], [[Body temperature tracking|body temperature]], [[respiratory rate]] and [[oxygen saturation]] <ref>https://en.wikipedia.org/wiki/Blood_pressure</ref>.
'''Blood pressure''' describes the pressure of the blood against the walls of the blood vessels which is mostly a result of the heart pumping. Typically blood pressure is given through two values: The "systolic pressure" – which is the highest pressure during a heart beat – and the "diastolic pressure" – which is the lowest pressure between two heart beats. Blood pressure is a key vital sign used to evaluate health, alongside [[Tools for heart rate or pulse|heart rate]], [[Body temperature tracking|body temperature]], [[respiratory rate]] and [[oxygen saturation]] <ref>https://en.wikipedia.org/wiki/Blood_pressure</ref>.
== How to measure blood pressure ==
== How to measure blood pressure ==
Measuring blood pressure requires precise steps or else the emasurment could be affected significantly.<ref>https://forum.quantifiedself.com/t/anyone-knowledgable-about-different-personal-blood-pressure-monitors/10690</ref><ref>https://xkcd.com/2581/</ref>
There are many blood pressure measurement devices that are offered at pharmacies for a comparatively low price. Typically, none of these measure blood pressure over time but are rather for manual use in regular intervals. Typically these also don't store or export data.
There are many blood pressure measurement devices that are offered at pharmacies for a comparatively low price. Typically, none of these measure blood pressure over time but are rather for manual use in regular intervals. Typically these also don't store or export data.
Smart Bands may be able to do it using Pulse Wave Velocity<ref>https://en.wikipedia.org/wiki/Pulse_wave_velocity</ref>, which measures the time between [[ECG]] pulse and [[Pulse oximetry]]. [[Fitbit]] recently started a study for customers that use a ''Fitbit Sense'' to evaluate whether this is feasible<ref>https://www.mobihealthnews.com/news/fitbit-begins-smartwatch-blood-pressure-tracking-study</ref>.
Smart Bands may be able to do it using Pulse Wave Velocity<ref>https://en.wikipedia.org/wiki/Pulse_wave_velocity</ref>, which measures the time between [[ECG]] pulse and [[Pulse oximetry]]. [[Fitbit]] recently started a study for customers that use a ''Fitbit Sense'' to evaluate whether this is feasible<ref>https://www.mobihealthnews.com/news/fitbit-begins-smartwatch-blood-pressure-tracking-study</ref>.
== Devices ==
Aktiia continuous wrist
==References==
==References==
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[[Category:Topics]]
[[Category:Topics]]