5 results
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
Forced vital capacity ... comparing normal, obstructive ... , and restrictive ... #Obstructive #Restrictive ... #Normal #Comparison
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Flow Volume Loops ... Stem Bronchial Obstruction ... Restrictive Parenchymal ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
For comparison, ... a normal loop is ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... #Patterns #Comparison
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Testing: Flow Volume Loop ... extra-thoracic obstruction ... reduced FEV1 • Restriction ... nickmmark #FlowVolume ... #Loops #pulmonary
Pulmonary Function Test (PFT) Interpretation Algorithm

Approach to PFTs:
1) Look at Flow-Volume Loop if available
2) FEV1/FVC <
Interpretation Algorithm ... at Flow-Volume Loop ... FEV1/FVC < 70% (obstruction ... (restrictive component ... (confirm restrictive