7 results
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
Forced vital capacity ... curves comparing normal ... , obstructive, and ... Forced #Vital #Capacity ... #Normal #Comparison
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
a normal loop is ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... #Patterns #Comparison ... #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. ... Stem Bronchial Obstruction ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Asthma vs COPD Presentation ... Findings: Variably abnormal ... often normal or ... : Persistently abnormal ... #COPD #comparison
Consensus diagnostic criteria for asthma-COPD overlap syndrome (ACOS) in patients with airflow limitation. COPD=chronic obstructive pulmonary
diagnostic criteria for asthma-COPD ... COPD=chronic obstructive ... FVC=forced vital capacity ... lower limit of normal ... OverlapSyndrome #Asthma
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 ... Occasional sighs are normal ... Abnormalities #Abnormal
COPD phenotypes:  Blue Bloaters vs. Pink Puffers
The two most stereotypical forms of COPD are pink
clearance and airway obstruction ... maintain a near-normal ... is similar to asthma ... obesity plus airflow obstruction ... #BlueBloaters #Comparison
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