5 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
comparison, a normal ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... Patterns #Comparison #Normal
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 vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Findings: Variably abnormal ... spirometry - FEV1 ... bronchodilator, Spirometry ... : Persistently abnormal ... spirometry - FEV1
Hoover's Sign

Hoover’s sign refers to inward movement of the lower rib cage during inspiration- instead of
outward as is normal ... associated with COPD ... COPD, and more specifically ... Sign #Pulmonary #COPD ... #PhysicalExam #
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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 ... bronchitis, and COPD ... Abnormalities #Abnormal ... #Diagnosis #PhysicalExam