6 results
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
vital capacity (FVC ... curves comparing normal ... #FVC #Forced #Vital ... #Restrictive #Normal ... #Comparison
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
For comparison, ... a normal loop is ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... #Normal #pulmonary
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
spirometry - FEV1 ... /FVC < 70%, Scooped ... often normal or ... /FVC < 70%, Modest ... #Asthma #COPD #comparison
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 #Loops
Asthma
Chronic lung disease characterized by airway inflammation, airway and variable expiratory air flow obstruction
There are 2
lower • FEV1 / FVC ... lower limit of normal ... Reversibility on spirometry ... Increase of FEV1 or FVC ... greater in FEV or FVC
Dilated Abdominal Veins and Caput Medusae - Direction of Blood Flow

Vein Milking technique can be used
• Normal veins ... : The normal physiology ... • IVC Obstruction ... • SVC Obstruction ... #obstruction #comparison