The nurse must perform spirometry for a patient receiving a pulmonary function test.
Pulmonary function tests are performed to measure various lung functions and capacities to diagnose any certain lung disorders. PFTs usually include two methods namely: spirometry and plethysmography.
1. Spirometry
This test involves the use of a promoter and spirograph. The spirometer measures the amount of air inhaled and the amount of air exhaled as well as the frequency. These measurements are recorded on a spirograph.
2. Plethysmography
It is a similar test in which the client is asked to sit inside an airtight box to measure the pulmonary values, such as TV, FVC, VC etc.
A nursing intervention to be followed before PFTs:
● Ask the patient to remove any clothing or jewelry that may interfere with the procedure
● Assess the pulse rate, breathing rate, and blood pressure of the patient
● Ask the patient's history of various problems like breathing problems, anxiety, nervousness, etc.
To know more about pulmonary function tests (PFTs), refer to the following link:
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