13 results
Asthma
Chronic lung disease characterized by airway inflammation, airway and variable expiratory air flow obstruction
There are 2
Asthma Chronic ... obstruction: • FEV1 ... 0.70 or lower • FEV1 ... Reversibility on spirometry ... or greater in FEV
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
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%
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
and persevered FEV1 ... flow with reduced FEV1 ... nickmmark #FlowVolume
Classic (2009) Spirometric GOLD Classification of COPD Severity Based on Postbronchodilator FEV
#Diagnosis #Pulmonary #COPD #GOLD #Staging
Classic (2009) Spirometric ... Postbronchodilator FEV ... Classification #FEV1
GOLD2017 - The refined ABCD assessment tool. FEV1: forced expiratory volume in 1 s; FVC: forced vital
FEV1: forced expiratory ... Initiative for Chronic
Consensus diagnostic criteria for asthma-COPD overlap syndrome (ACOS) in patients with airflow limitation. COPD=chronic obstructive pulmonary
COPD=chronic obstructive ... nitric oxide; FEV1
Pharmacologic treatment algorithms by Global Initiative for Chronic Obstructive Lung Disease grade. Highlighted boxes and arrows
Initiative for Chronic ... corticosteroid; FEV1
Chronic Obstructive Pulmonary Disease (COPD)
 • COPD Definition
 • Role of PFTs
 • COPD Classification and
Chronic Obstructive ... post-bronchodilator FEV1 ... @PulmPEEPs #Chronic