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Pulse Oximeter How does it work and how can it be
used in home care?
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Introduction

• Pulse oximeter is used to measure the oxygen
  level in the blood and also check your heart
  rate. A finger pulse oxymeter for home use is
  small, lightweight and painlessly attaches to a
  finger tip so that it can monitor the amount of
  oxygen that is carried in the body.
• The device should show an oxygen level greater
  than 95 to be considered normal.
• Oxygen levels lower than 92 are considered as
  low. In addition to this, the device also
  displays the pulse rate. Around 60-80 beats per
  minute is considered as normal. It is common for
  heart beat to increase with some exercise and the
  oxygen saturation may decrease although it
  should remain at 90 or more to be normal.

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How does it work?

• The pulse oximeter sends a repeated series of two
  distinct pulses a red pulse and an infrared
  pulse through the patients finger. The
  oxygenated hemoglobin in the blood transmits a
  different amount of red and infrared light than
  non-oxygenated hemoglobin. By measuring and
  caliberating the relative absorption of both the
  red and infrared light, the amount of oxygen is
  determined.

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Advantages of a Home Oximeter

• As compared to drawing blood and testing in a
  lab, the home pulse oximeter definitely has some
  advantages.
• The very first advantage is that it is
  non-invasive and hence all the potential risks of
  an invasive type test (such as drawing blood for
  testing) are eliminated. Infections caused due to
  drawing blood from the finger can be avoided.
• Secondly, since the light pulses are extremely
  fast, you get the results instantly. In around 10
  seconds, you know what the results are. This kind
  of speed is extremely important in case of
  emergencies. Especially for high performance
  athletes and pilots flying over a 10000 feet
  where oxygen becomes diluted.

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Disadvantages of a pulse oximeter

• One of the main disadvantages of the oximeter
  that uses red and infrared light is that just
  by sending light pulses through the fingertip, it
  is not possible to determine the exactl volume of
  blood that is sampled by the light and hence may
  not be an accurate estimate.
• The measurement of oxygen saturation in the blood
  is only relative. It gives the relative ratio of
  the oxygenated hemoglobin concentration vs the
  non-oxygenated hemoglobin concentration.
• If you get a lower reading on the oximeter, one
  factor could be the oxygenated hemoglobin
  definiency and the other reason could be the
  deficiency of hemoglobin itself.

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Conclusion

• However, this home care device is a good place to
  begin with. If you suspect greater reasons for
  the lower reading, you always have some solid
  backing to base your blood tests on. Other than
  that, for home care, the finger pulse oximeter
  should suffice.
• Sliverline Meditech, is a leading Suppliers
  Exporters of Pulse Oximeter In India  Other Home
  Health Care Products. A pulse oximeter is the
  most important monitoring tool in modern
  anaesthesia practice. Feel free to call us at
  91-79-2689 0389.

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Conclusion

• However, this home care device is a good place to
  begin with. If you suspect greater reasons for
  the lower reading, you always have some solid
  backing to base your blood tests on. Other than
  that, for home care, the finger pulse oximeter
  should suffice.
• Sliverline Meditech, is a leading Suppliers
  Exporters of Pulse Oximeter In India  Other Home
  Health Care Products. A pulse oximeter is the
  most important monitoring tool in modern
  anaesthesia practice. Feel free to call us at
  91-79-2689 0389.

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