Monitoring
oxygen saturation in patients blood is crucial from treatment point of
view. A number of health-care establishments make use of pulse
oximeter for measuring oxygen level of the patient's blood along with
the pulse rate. As the device is non-invasive a provide a convenient
method for monitoring the quality of oxygen being transported to
different parts of the body; such as legs, arms, brain and more.
Moreover, pulse oximeters alert the health-care assistants if there is
fall in oxygen level or pulse rate; thereby allowing rapid intervention.
- Benefit of Using Pulse OximetersEasy to useCompact in sizeNon-InvasiveCan be used at homeDetect hypoxaemiaComes handy in noisy environmentProvide accurate readingsReasonable & affordable
Pulse
oximeters is a clip-like device which is either placed on finger or ear
lobe (leg in case of infants) for providing level of blood's oxygen in a
pain-less manner. The device is capable of providing accurate readings
in varied humid conditions along with many settings like during surgery,
in an emergency, routine check-up, during treatment, recovery follow-up
and in patient's intensive care. The health-care assistants rely on the
reading of pulse oximeters for making the decision of providing extra
oxygen to the patient.
Principle Behind Working of Pulse Oximeter
The
technology associated behind the working of pulse oximeters is
complicated and involve two basic principles. The device generates light
through the finger to measure the arterial oxygen saturation of
haemoglobin. The sensors in the pulse oximeters can easily detect the
absorption of light at two different wavelengths and degree of
oxygenation of haemoglobin.
Secondly,
the change in volume of arterial blood with effect of each pulse
generates pulsatile component. The microprocessors present in pulse
oximeters detect this pulsatile component as well as distinguish them
from non-pulsatile component. The reading is then displayed as a number
on the screen of oximeters that provide a percentage of oxygen molecules
present in patient's blood.
Pulse Oximeters – The Scope of Usage
Portable
and simple, the pulse oximeter is all-in-one monitor which provide
reading regarding oxygenation of blood, pulse rate and rhythm
regularity. The pulse oximeters come handy while transporting patients
from one hospital to another or home to hospital. Wherein, it is not
easy to hear the auible tone to judge the patient's cardio-respiratory
status.
There
are three types of pulse oximeters – Fingertip Pulse Oximeter, Handheld
Pulse Oximeters and Fetal Pulse Oximeters. Fingertip Pulse Oximeter are
often use at home as they are easiest to operate. Hospitals and health
care institute mainly use Handheld pulse oximeter for monitoring the
oxygen saturation of blood. Fetal Pulse Oximeter is specially designed
check the heart beats and oxygen saturation of baby during labor.
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