English
V1.1
FINGERTIP PULSE OXIMETER
General Description
Oxygen saturation (SpO
) is a percentage
2
of oxygen contained in the blood. 'S'
indicates saturation, 'p' indicates the
pulse and O
is the symbol for oxygen.
2
Blood cells contain a chemical called
hemoglobin (Hb). When hemoglobin is
combined with oxygen it forms a second
chemical called oxyhemoglobin (HbO
).
2
As blood travels around the body the
oxyhemoglobin releases the oxygen
where required and then turns back into
hemoglobin. Oxygen levels in the blood
can fluctuate, especially during activity.
Generally normal oxygen levels of a
2