Keyword Analysis & Research: pulsometry


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Frequently Asked Questions

What is pulse oximetry and how does it work?

Cells, tissues and organs need oxygen to function, and lack of it can cause a host of complications throughout your body. While testing arterial blood gives an accurate reading of blood oxygenation, pulse oximetry provides a less invasive, painless way to measure oxygen levels.

What is a hpulse oximeter used for?

Pulse oximeters measure the amount of oxygenated and deoxygenated hemoglobin in arterial blood, which carries oxygen from the lungs to the rest of the body. Each molecule of hemoglobin -- a protein within the red blood cell -- carries 4 molecules of oxygen.

What is the role of pulse oximetry in the neonatal unit?

Pulse oximetry was of particular value in the neonatal unit where the patients do not thrive with inadequate oxygenation, but too much oxygen and fluctuations in oxygen concentration can lead to vision impairment or blindness from retinopathy of prematurity (ROP).

What can cause a low pulse oximeter reading?

Acute respiratory disorders such as asthma attacks, pneumonia or a blood clot in the lung also cause low pulse oximeter readings. The probe, which contains the infrared and red light emitters, can be placed on any area of the body that is translucent enough for the signal to pass through and with adequate arterial blood flow.

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