9 results
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
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
curves comparing normal ... , obstructive, and ... commonly available spirometers ... #Restrictive #Normal ... #Comparison
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Exam: Usually normal ... Findings: Variably abnormal ... often normal or ... near normal between ... #comparison #Diagnosis
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 ... Obstructive Breathing ... Abnormalities #Abnormal
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Differential Diagnosis Algorithm ... Unequal/DeIayed: • Obstructive ... Takayasu disease • Normal ... tamponade • AECOPD ... Differential #Diagnosis #Algorithm
COPD phenotypes:  Blue Bloaters vs. Pink Puffers
The two most stereotypical forms of COPD are pink
COPD phenotypes: ... clearance and airway obstruction ... maintain a near-normal ... obesity plus airflow obstruction ... #BlueBloaters #Comparison
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Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
Abnormal liver function ... initial response to abnormal ... evaluation of the pattern ... *Abnormal USS may ... #LFTs #Abnormal
Causes of Chronic Cough - Differential Diagnosis Algorithm

Abnormal Chest X-Ray:
 • Chronic Infection (Eg. Fungal, Tuberculosis)
Differential Diagnosis Algorithm ... Abnormal Chest ... Bronchiectasis Obstructive ... • Asthma • COPD ... Differential #Diagnosis #Algorithm