Pulse oximetry is a measurement method used on patients to monitor O2 saturation in blood. This monitoring is done using a recording pulse oximeter. The gadget monitors and records any changes in the degree of oxygen concentration in blood cells and alerts the doctor. Notification can be in form of a sound and only happens when the level falls too low. Early medical intervention can therefore be done following the alerts.
Spectrophotometry is the main principle that the working of these gadgets bases on. This principle is dependent on the mode of absorption of red and infrared radiation by deoxygenated and oxygenated blood cells. These rates of absorption are recorded by the sensor and passed to the main machine for processing. The main machine gives fresh values at intervals of 0.5 or 1 seconds after processing. This high rate ensures high accuracy.
The device has two diodes that emit red and infrared radiations. The diodes are positioned directly opposite to their respective detectors which are separated by 5 to 10 millimeters of tissue. This is the reason why the device is placed on an organ that has thin tissues such as the finger or earlobe. The sensors are made in form of clips or wraps. Some studies reveal that earlobes are not very effective for measuring oxygen saturation inside the body.
These devices can be employed in all medical settings where it is important to monitor blood oxygen saturation in patients. Major facilities in which they are used include treatment wards, recovery wards, operation rooms, intensive care, and emergency units. Accuracy of recorded values can be achieved by the patient staying in a calm position. Devices with recording function are better because they keep a record of values for a given period for future use.
Besides gauging level of O2 concentration in blood, oximeters have many other applications. First, oximetry can be an alternative or replacement for blood gas analysis unless if acid-base state or PaCO2 is required. This technique is also simpler to perform, less painful, and costs less in comparison to several others. The level of accuracy is also higher especially if a patient is conscious. Recorded values set standards and are useful in determining variations.
Using an oximeter also ensures that oxygen supplied in tanks to patients is used economically without wastage. Other uses are in neonatal care and intrapartum fetal monitoring. However these two applications are not yet standardized but they may in the near future. Besides being used in medical buildings, these devices are also used in ambulances as a form of first aid to patients. They are also becoming a common component of GP kit.
In primary care, these gadgets are useful in the diagnosis and management exacerbation of COPD in places. This method can also be employed in grading severity of asthma attacks. An attack is said to life-threatening if the reading falls below ninety two percent. Oximetry can also be used to assess and care for bronchiolitis in kids.
The recording function in recording oximeters makes them to cost a little higher than other models. Prices vary according to the degree of complexity. Stores that sell medical equipment are among the places one can buy these devices from.
Spectrophotometry is the main principle that the working of these gadgets bases on. This principle is dependent on the mode of absorption of red and infrared radiation by deoxygenated and oxygenated blood cells. These rates of absorption are recorded by the sensor and passed to the main machine for processing. The main machine gives fresh values at intervals of 0.5 or 1 seconds after processing. This high rate ensures high accuracy.
The device has two diodes that emit red and infrared radiations. The diodes are positioned directly opposite to their respective detectors which are separated by 5 to 10 millimeters of tissue. This is the reason why the device is placed on an organ that has thin tissues such as the finger or earlobe. The sensors are made in form of clips or wraps. Some studies reveal that earlobes are not very effective for measuring oxygen saturation inside the body.
These devices can be employed in all medical settings where it is important to monitor blood oxygen saturation in patients. Major facilities in which they are used include treatment wards, recovery wards, operation rooms, intensive care, and emergency units. Accuracy of recorded values can be achieved by the patient staying in a calm position. Devices with recording function are better because they keep a record of values for a given period for future use.
Besides gauging level of O2 concentration in blood, oximeters have many other applications. First, oximetry can be an alternative or replacement for blood gas analysis unless if acid-base state or PaCO2 is required. This technique is also simpler to perform, less painful, and costs less in comparison to several others. The level of accuracy is also higher especially if a patient is conscious. Recorded values set standards and are useful in determining variations.
Using an oximeter also ensures that oxygen supplied in tanks to patients is used economically without wastage. Other uses are in neonatal care and intrapartum fetal monitoring. However these two applications are not yet standardized but they may in the near future. Besides being used in medical buildings, these devices are also used in ambulances as a form of first aid to patients. They are also becoming a common component of GP kit.
In primary care, these gadgets are useful in the diagnosis and management exacerbation of COPD in places. This method can also be employed in grading severity of asthma attacks. An attack is said to life-threatening if the reading falls below ninety two percent. Oximetry can also be used to assess and care for bronchiolitis in kids.
The recording function in recording oximeters makes them to cost a little higher than other models. Prices vary according to the degree of complexity. Stores that sell medical equipment are among the places one can buy these devices from.
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