Pulmonary assessment Flashcards
What is a normal FEV1/FVC?
70%
What is FEV1?
maximum amount of air expelled in 1 second
What FEV1 indicates stage 1COPD?
> 80%
What FEV1 indicates stage 2 COPD?
50-79%
What FEV1 indicates stage 3 COPD?
30-49%
What FEV1 indicates stage 4 COPD?
<30%
Using FEV1 (PERF) to measure reversible obstruction is used in what disease?
asthma
How is PERF calculated?
- Repeat FEV1 1-2 times daily for 14 days and find the average
- average is 100% capacity
What should be done if someones PERF is 50-79%?
rescue inhaler
What should be done if someones PERF is < 50 ?
seek medical attention
What is dyspnea?
difficulty breathing
What is orthopnea?
dyspnea while lying down
number of pillows
positional dyspnea
What is paroxysmal nocturnal dyspnea?
dyspnea upon awakening at night
What is tachypnea?
increased respiratory rate
What is bradypnea?
decreased respiratory rate