Any inaccurate BP measurements may have a big impact
Percentage of population affected by over estimated blood pressure readings.
Percentage of population affected by routine blood pressure measurements that are off by 5 mmHg or more, causing them either to be placed on unnecessary medication or to have a missed diagnosis of hypertension.
Percentage of home electronic BPMs that were off by 10 mmHg off or more in either systolic or diastolic readings when compared with the gold standard auscultatory blood pressure measurements.
Percentage of home electronic BPMs that were off by 5 mmHg or more in either systolic or diastolic readings when compared with the gold standard auscultatory blood pressure measurements.
Gold standard of non-invasive blood pressure measurement

Auscultatory blood pressure or manual blood pressure measurement used by medical professionals is the gold standard of Non-invasive blood pressure measurement. They use a stethoscope to listen to the beat pulse (Korotkoff sounds) during cuff deflation to determine the BP readings.

Accutension re-invent auscultatory BP with your smartphone for accuracy.
Accutension lets you hear the same sounds with your phone…
The left and right red lines mark the first and last beat pulse sounds (Korotkoff sounds) in the top chart, indicating the systolic and diastolic blood pressure respectively.

The oscillometric wave in the middle is used by automated blood pressure monitors that has no obvious relationship with the blood pressures.

Play the video to watch and listen to the playback of the blood pressure measurement. Please use your earphone to hear the low frequency (bass) Korotkoff sounds and identify the first and last beat pulses.
Accutension is even better than direct auscultation
RECORD
The smartphone records the beat pulse sounds (Korotkoff sounds) related to blood pressure.
VISUALIZE
Accutension App visualizes them, so you can simultaneously see the sounds on your phone’s screen.
PLAYBACK
You can playback the sounds after the measurement to ascertain the reading. The visualized sound curve lets you see them for precise measurement.
CHECK
If the sounds are bothering you, just email the file to your doctor.
Hear the sounds
with your ears
and take your accuracy under control!

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