A sphygmomanometer is a device used to measure blood pressure, consisting of an inflatable cuff and a manometer. Its historical development includes the early recognition of blood circulation by the Chinese and the first recorded blood pressure measurement by Reverend Stephen Hales in 1733. The document discusses the elements and evolution of blood pressure measurement techniques.

1. BiomedicalEquipment
Training
SPHYGMOMANOMETER

3. A sphygmomanometer, also known as a
blood pressure monitor, or blood pressure
gauge, is a device used to measure blood
pressure, composed of an inflatable cuff
to collapse and then release the artery
under the cuff in a controlled manner,
and a mercury or aneroid manometer to
measure the pressure.
Manual sphygmomanometers are used
with a stethoscope when using the
auscultatory technique.

5. The
Elements

7. The circulation of blood
within the body has
been a subject of study
for many thousands of
years. In ancient times,
the Chinese recognized
the fact that blood
circulated through the
blood vessels and
developed theories on
how such systems
worked.

8. Once the correlation
between heart rate and
pulse was discovered, it
was possible to determine
blood volume and blood
pressure. In 1733 Reverend
Stephen Hales recorded the
first blood pressure
measurement on a horse.

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