24 results
diagnosis pulmonary algorithm differential pfts asthma causes criteria loops classification clinical comparison disorders hepatology interpretation lfts management pediatrics physicalexam signs
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
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
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 ... lower limit of normal ... Reversibility on spirometry ... or greater in FEV
Pulmonary Function Testing: Flow Volume Loop Patterns • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Pulmonary Function ... Flow Volume Loop Patterns ... and persevered FEV1 ... flow with reduced FEV1 ... nickmmark #FlowVolume
Consensus diagnostic criteria for asthma-COPD overlap syndrome (ACOS) in patients with airflow limitation. COPD=chronic obstructive pulmonary
criteria for asthma-COPD ... COPD=chronic obstructive ... nitric oxide; FEV1 ... lower limit of normal ... OverlapSyndrome #Asthma #COPD
Pulmonary Function Tests (PFTs) - Interpretation Algorithm • Normal • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia • Chest
Pulmonary Function ... Algorithm • Normal ... Non-Emphysematous COPD ... Emphysematous COPD
Abnormal Liver Function Tests - Differential Diagnosis Algorithm for Transaminitis Hepatocellular Pattern (ALT or AST > ALP):
Abnormal Liver Function ... Hepatocellular Pattern ... dz Cholestatic Pattern ... AST): • US - Normal ... LFTs #Elevated #Abnormal
Abnormalities in Rate and Rhythm of Breathing Normal The respiratory rate is about 14—20 per min
of Breathing Normal ... —20 per min in normal ... It may be fast, normal ... bronchitis, and COPD ... Abnormalities #Abnormal
Causes of Chronic Cough - Differential Diagnosis Algorithm Abnormal Chest X-Ray: • Chronic Infection (Eg. Fungal, Tuberculosis)
Diagnosis Algorithm Abnormal ... Obstructive Disease (FEV1 ... • Asthma • COPD ... Cough • Vocal Cord
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