13 results
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
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Exam: Usually normal ... spirometry - FEV1 ... often normal or ... near normal between ... spirometry - FEV1
Pulmonary Function Testing: Flow Volume Loop Patterns
 • Variable extra-thoracic obstruction - truncated or flattened inspiratory
Flow Volume Loop Patterns ... and persevered FEV1 ... flow with reduced FEV1 ... nickmmark #FlowVolume ... pulmonary #PFTs #patterns
Classic (2009) Spirometric GOLD Classification of COPD Severity Based on Postbronchodilator FEV
#Diagnosis #Pulmonary #COPD #GOLD #Staging
Classic (2009) Spirometric ... GOLD Classification ... Postbronchodilator FEV ... Staging #Severity #Classification ... #FEV1 #FEV1FVC
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Mayo UC Endoscopic Classification
 • Score = 0 (normal or inactive disease) - Normal vascular pattern
UC Endoscopic Classification ... • Score = 0 (normal ... inactive disease) - Normal ... vascular pattern ... UC #Endoscopic #Classification
Severity of Aortic Stenosis in Adults 
Current ACC/AHA guidelines recommend cut-off values for Doppler-echocardiographic measurements of
with impaired and normal ... A common pattern ... AorticStenosis #Classification
Lymphomas and Lymphoproliferative Disorders - Differential Diagnosis Algorithm
Hodgkin Lymphoma ~40% - Characteristic For Reed-Sternberg (RS) Cells
can have extra nodal ... involvement, irregular pattern ... Lymphoproliferative #Disorders #Classification
Clinical Classification of Pulmonary Hypertension

1. Pulmonary arterial hypertension from pulmonary vasculopathy
Idiopathic pulmonary arterial hypertension
Heritable gene mutations
Clinical Classification ... infection - Portal ... and obstructive pattern ... Hypertension #PHTN #Classification