By Rachel Booker
This publication includes crucial info while you're excited about breathing care. it truly is an incredible reference for expert nurses, perform nurses, GPs, and all these healthcare execs who want a operating wisdom of lung functionality trying out.
Read Online or Download Vital Lung Function (Vital Guides) PDF
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Extra resources for Vital Lung Function (Vital Guides)
Example text
You will be asked to breathe out slowly and completely in a relaxed way and will also be asked to blow out as hard and as fast as you possibly can ❏ When you are asked to blow hard it is essential that you put as much effort into it as you possibly can ❏ Some tests will also require you to breathe in through the spirometer ❏ Whatever tests you are asked to do you will be instructed and given encouragement to help you with the test 5 6 | V I T AL LU NG F UNC T I O N Vital Lung Function Final:Vital Lung Function 5 26/10/07 10:17 Page 57 Spirometry interpretation ■ Spirometry is used to identify whether the pattern of ventilation is normal or whether there is an abnormal ventilatory defect VITAL POINT ✱ Spirometry is an essential part of the diagnostic process for respiratory disease, but is insufficient on its own to reach a diagnosis.
If the recording is outside this range the calibration will need adjusting ■ The calibration of some spirometers, such as the ultrasonic or turbine flow-measuring devices, and the bellows volumetric spirometers, will require servicing by an engineer in order to adjust calibration. Others, such as the Fleisch pneumotachograph, can be updated on a daily basis or a sessional basis if necessary ■ If there is a significant change in temperature during a spirometry session calibration should be rechecked USI NG A SPI ROM ETER | 4 1 Vital Lung Function Final:Vital Lung Function 26/10/07 10:17 Page 42 V ITAL POINTS ✱ Calibration checks must be carried out on all types of spirometer as a daily routine.
It can be useful for detecting early airflow obstruction RE F E RE NC E V A LU ES ■ Lung volumes are dependent on gender, age, height and ethnic group: ◆ Males have larger lung volumes than females ◆ Lung volumes decline with age after 21 years old ◆ Tall individuals have larger lung volumes than shorter people ◆ The anthropometric characteristics of different ethnic groups have an affect on lung volumes. For example Afro-Caribbean people have a smaller thorax in relation to their overall height than white people and consequently have smaller lung volumes VITAL POINTS ✱ Correction factors can be applied to reference values for European populations that adjust for ethnicity.