8 results
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Patterns of pulmonary ... 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. ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... #Patterns #pulmonary
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Differential Diagnosis Algorithm ... Bronchiectasis Pleural Abnormalities ... Chest Wall Abnormalities ... Differential #Diagnosis #Algorithm ... #Causes
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Causes of Hypoxemia ... Differential Diagnosis Algorithm ... Disease (Asthma, COPD ... • Chest Wall Abnormalities ... #Causes #Pulmonary
Abnormalities in Rate and Rhythm of Breathing 
Normal 
The respiratory rate is about 14—20 per min
Abnormalities in ... may show this pattern ... bronchitis, and COPD ... #Breathing #Patterns ... #Pulmonary #Abnormalities
Pulse Abnormalities - Differential Diagnosis Algorithm
Unequal/DeIayed:
 • Obstructive arterial disease (ie. Atherosclerosis)
 • Aortic dissection
 •
Pulse Abnormalities ... Differential Diagnosis Algorithm ... Takayasu disease • Normal ... tamponade • AECOPD ... #causes
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... Differential Diagnosis Algorithm ... Malformation Normal ... Bronchitis Diffuse CT Abnormalities ... #Causes #Pulmonary
Causes of ST Segment Elevation - Differential Diagnosis Framework

STEMI:
 • Upsloping convex STE: "Pardee's sign" +
Causes of ST Segment ... Early-repolarization pattern ... Repolarization Abnormalities ... QRS complex Pulmonary ... leads • S1Q3T3 pattern