7 results
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Findings: Variably abnormal ... spirometry - FEV1 ... often normal or ... near normal between ... spirometry - FEV1
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
comparison, a normal ... #Diagnosis #PFTs ... #Spirometry #FlowVolume ... Patterns #Comparison #Normal
Asthma
Chronic lung disease characterized by airway inflammation, airway and variable expiratory air flow obstruction
There are 2
Asthma Chronic ... obstruction: • FEV1 ... lower limit of normal ... Reversibility on spirometry ... @PulmPEEPs #Asthma
Flow Volume Loops - Common Patterns
A. Normal
B. Emphysema
C. Unilateral Main Stem Bronchial Obstruction
D. Fixed Upper Airway
Normal B. ... #Diagnosis #PFTs ... #Spirometry #FlowVolume
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Function Tests (PFTs ... Interpretation Algorithm ... • Normal • ... Lung Disease • Asthma ... FunctionTests #PFTs
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... initial response to abnormal ... decision for repeat testing ... *Abnormal USS may ... #LFTs #Abnormal
Causes of Chronic Cough - Differential Diagnosis Algorithm

Abnormal Chest X-Ray:
 • Chronic Infection (Eg. Fungal, Tuberculosis)
Differential Diagnosis Algorithm ... Abnormal Chest ... Obstructive Disease (FEV1 ... FVC < LLN): • Asthma ... Lower Airway: • Asthma