42 results
Asthma
Chronic lung disease characterized by airway inflammation, airway and variable expiratory air flow obstruction
There are 2
obstruction: • FEV1 ... 0.70 or lower • FEV1 ... Reversibility on spirometry ... • Increase of FEV1 ... or greater in FEV
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Variably abnormal spirometry ... - FEV1/FVC < 70% ... bronchodilator, Spirometry ... Persistently abnormal spirometry ... - FEV1/FVC < 70%
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
Classic (2009) Spirometric GOLD Classification of COPD Severity Based on Postbronchodilator FEV
#Diagnosis #Pulmonary #COPD #GOLD #Staging
Classic (2009) Spirometric ... Postbronchodilator FEV ... Classification #FEV1
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 ... pulmonary #PFTs #patterns
GOLD 2009 guidelines for therapy at each stage of COPD
#Diagnosis #Management #Pulmonary #COPD #GOLD #Staging #Severity
COPD #Diagnosis #Management ... Classification #FEV1
First-line therapies for Asthma, Asthma-COPD Overlap and COPD

The diagnosis of COPD, asthma, and ACO initially requires
of the type and pattern ... symptoms, and spirometry ... #Diagnosis #Management
The 2019 Global Initiative for Asthma (GINA) treatment strategy figure for adults and adolescents, annotated to
immunotherapy; FEV1 ... #GINA #Asthma #Management
Pharmacologic treatment algorithms by Global Initiative for Chronic Obstructive Lung Disease grade. Highlighted boxes and arrows
corticosteroid; FEV1 ... #Management #Pulmonary