Questions and Correct
Answers | New Update
How do you diagnose airway obstruction? - ANSWER ✔✔FEV1/FVC
<70%
Once airway obstruction is diagnosed, how do you determine whether it
is d/t asthma or COPD? - ANSWER ✔✔Give pt bronchodilator. if
>12% improvement of FEV1 then asthma
The *Global* initiate for Chronic *Obstructive Lung Disease* (GOLD)
categorizes airflow limitation into how many stages? - ANSWER ✔✔4
stages of COPD
GOLD 1 spirometric findings - ANSWER ✔✔mild:
, FEV1/FVC = <70%
FEV1 >80% predicted
GOLD 2 spirometric findings - ANSWER ✔✔moderate:
FEV1/FVC = <70%
FEV1 between 50% & 80% predicted
GOLD 3 spirometric findings - ANSWER ✔✔severe:
FEV1/FVC = <70%
FEV1 between 30% and 50% predicted
GOLD 4 spirometric findings - ANSWER ✔✔very severe:
FEV1/FVC = <70%
FEV1 <30% predicted
How do you diagnose airway obstruction? - ANSWER ✔✔TLC (total
lung capacity) <80%