4 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Patterns of pulmonary ... comparison, a normal ... #Diagnosis #PFTs ... #Spirometry #FlowVolume ... #Loops #Patterns
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Normal B. ... Restrictive Parenchymal ... #Diagnosis #PFTs ... #Spirometry #FlowVolume ... #Loops #Patterns
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Testing: Flow Volume Loop ... Patterns • Variable ... reduced FEV1 • Restriction ... nickmmark #FlowVolume ... #PFTs #patterns
Pulmonary Function Test (PFT) Interpretation Algorithm

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