Pulmonary Function Tests Flashcards
1
Q
FVC
A
Volume of gas forcefully expelled from the lungs after maximal inspiration
2
Q
FEV1
A
Volume of gas expelled in the first second of the forced vital capacity maneuver
3
Q
FEV25-75
A
Maximum made expiratory airflow rate
4
Q
PEFR
A
Maximal airflow rate achieved in FVC maneuver
5
Q
Ariflow rates
A
FVC
FEV1
FEV 25-75
PEFR
Obstructive diseases are characterized by reduced airflow rate; lung volumes within normal range or larger
6
Q
TLC
A
Volume of gas in lungs after maximal inspiration
7
Q
FRC
A
Functional residual capacity
8
Q
RV
A
Volume of gas remaining in lungs after maximal expiration
9
Q
Volumes
A
TLC
FRC
RV
Restrictive diseases are characterized by reduced volumes and expiratory flow rates
Morbid obesity, sarcoidosis, pulmonary fibrosis
