5 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Patterns of pulmonary ... #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
Loops - Common Patterns ... #Diagnosis #PFTs ... #Spirometry #FlowVolume ... #Loops #Patterns
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
exacerbations • PFT ... Variably abnormal spirometry ... - FEV1/FVC < 70% ... bronchodilator, Spirometry ... - FEV1/FVC < 70%
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Flow Volume Loop Patterns ... and persevered FEV1 ... flow with reduced FEV1 ... Loops #pulmonary #PFTs ... #patterns #diagnosis
Differential Diagnosis of Jaundice, Presentation Pattern #Diagnosis #EM #IM #GI #Jaundice #Pattern #LFTs #Workup #Table #Differential
, Presentation Pattern ... #GI #Jaundice #Pattern ... #LFTs #Workup # ... Table #Differential