8 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
by flow-volume loops ... comparison, a normal ... #Diagnosis #PFTs ... #Spirometry #FlowVolume ... #Comparison #Normal
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Flow Volume Loops ... Normal B. ... #Diagnosis #PFTs ... #Spirometry #FlowVolume ... #Loops #Patterns
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Exam: Usually normal ... exacerbations • PFT ... spirometry - FEV1 ... often normal or ... spirometry - FEV1
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Testing: Flow Volume Loop ... and persevered FEV1 ... nickmmark #FlowVolume ... #Loops #pulmonary ... #PFTs #patterns
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Function Tests (PFTs ... Interpretation Algorithm ... • Normal • ... Emphysematous COPD ... FunctionTests #PFTs
Pulmonary Function Test (PFT) Interpretation Algorithm

Approach to PFTs:
1) Look at Flow-Volume Loop if available
2) FEV1/FVC <
Function Test (PFT ... Interpretation Algorithm ... at Flow-Volume Loop ... available 2) FEV1 ... Interpretation #Algorithm
Medical Treatment Algorithm for Chronic Obstructive Pulmonary Disease
Initial medical treatment of chronic obstructive pulmonary disease (COPD)
Medical Treatment Algorithm ... pulmonary disease (COPD ... outpatient setting with oral ... assessment test; FEV1 ... #Algorithm #Management
Causes of Chronic Cough - Differential Diagnosis Algorithm

Abnormal Chest X-Ray:
 • Chronic Infection (Eg. Fungal, Tuberculosis)
Differential Diagnosis Algorithm ... Abnormal Chest ... Obstructive Disease (FEV1 ... • Asthma • COPD ... Differential #Diagnosis #Algorithm