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pulmonary pfts loops patterns algorithm asthma comparison copd interpretation classification differential fev1fvc gold icucard normal pft severity staging test testing
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 ... Reversibility on spirometry ... or greater in FEV ... PulmPEEPs #Asthma #diagnosis
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
#Diagnosis #PFTs ... #Spirometry #FlowVolume
Pulmonary Function Testing: Flow Volume Loop Patterns • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Pulmonary Function ... and persevered FEV1 ... flow with reduced FEV1 ... nickmmark #FlowVolume ... PFTs #patterns #diagnosis
Flow Volume Loops - Common Patterns A. Normal B. Emphysema C. Unilateral Main Stem Bronchial Obstruction D. Fixed Upper Airway
Neuromuscular Weakness #Diagnosis ... #PFTs #Spirometry ... #FlowVolume #Loops
Spirometry - PFT Interpretation Algorithm - BWH Medicine Chiefs @BrighamChiefs #Spirometry #PFTs #Interpretation #Algorithm #diagnosis #differential #pulmonary #function
Spirometry - PFT ... BrighamChiefs #Spirometry ... Interpretation #Algorithm #diagnosis ... differential #pulmonary #function
Asthma vs COPD Presentation and Diagnosis Asthma: • Epidemiology: Age usually < 45, History (personal or family)
Presentation and Diagnosis ... - FEV1/FVC < 70% ... bronchodilator, Spirometry ... - FEV1/FVC < 70% ... COPD #comparison #Diagnosis
Classic (2009) Spirometric GOLD Classification of COPD Severity Based on Postbronchodilator FEV #Diagnosis #Pulmonary #COPD #GOLD #Staging
Classic (2009) Spirometric ... Postbronchodilator FEV ... #Diagnosis #Pulmonary ... Classification #FEV1
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 Perform computations online at: ScyMed.com 6th ED ICU-card «ICU, Formulas & Drugs» HEMODYNAMIC PATTERNS Condition SAP CVP PAP PCWP CO C(a-v)02 PVR SVR Hypovolemic shock ↓ ↓ ↓ ↓ ↓ ↑ ↑ ↑ Cardiogenic shock ↓ 1 ↑ 1 1 ↑ Septic shock ↓ ↓ ↓ ↓ ↑ ↓ ↓ ↓ Cardiac Tamponade . ↑ ↑ 1 ↓ → ↑ RV
/EDV Ejection Fraction ... CI/BVI Blood Flow ... physiologic) FVC FEV1 ... Capacity >3.0 L FEV1 ... 5.2561) 19-21 % Fraction
Pulmonary Function Test (PFT) Interpretation Algorithm Approach to PFTs: 1) Look at Flow-Volume Loop if available 2) FEV1/FVC <
Pulmonary Function ... available 2) FEV1 ... #Pulmonary #Function ... Interpretation #Algorithm #diagnosis
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