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diagnosis pulmonary pfts comparison differential hepatology lfts loops causes chronic copd cough elevated enzymes functiontests interpretation liver liverfunctiontests primarycare transaminitis
Asthma vs COPD Presentation and Diagnosis Asthma: • Epidemiology: Age usually < 45, History (personal or family)
Findings: Variably abnormal ... spirometry - FEV1 ... often normal or ... : Persistently abnormal ... spirometry - FEV1
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
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Patterns of pulmonary ... comparison, a normal ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... #Normal #pulmonary
Flow Volume Loops - Common Patterns A. Normal B. Emphysema C. Unilateral Main Stem Bronchial Obstruction D. Fixed Upper Airway
Loops - Common Patterns ... Normal B. ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... #Patterns #pulmonary
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Differential Diagnosis Algorithm ... Hepatocellular Pattern ... AST): • US - Normal ... LFTs #Elevated #Abnormal
Pulmonary Function Tests (PFTs) - Interpretation Algorithm • Normal • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia • Chest
Pulmonary Function ... Interpretation Algorithm ... • Normal • ... Lung Disease • Asthma ... Interpretation #Algorithm
Abnormal liver function tests algorithm. This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... initial response to abnormal ... evaluation of the pattern ... *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
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