12 results
Forced vital capacity (FVC) curves comparing normal, obstructive, and restrictive disorders. Curves are as they appear
Forced vital capacity ... curves comparing normal ... #Diagnosis #Pulmonary ... #Spirometry #FVC ... #Restrictive #Normal
Patterns of pulmonary dysfunction revealed by flow-volume loops. For comparison, a normal loop is shown with
Patterns of pulmonary ... comparison, a normal ... Diagnosis #PFTs #Spirometry ... #FlowVolume #Loops ... #pulmonary
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 ... #Patterns #pulmonary
Asthma vs COPD Presentation and Diagnosis
Asthma:
 • Epidemiology: Age usually < 45, History (personal or family)
Dyspnea, Wheeze, Chest ... Exam: Usually normal ... spirometry - FEV1 ... spirometry - FEV1 ... comparison #Diagnosis #pulmonary
Hypoxemia Differential Diagnosis Algorithm by A-a Gradient

Normal A-a Gradient:
 • ↓ Atmospheric pressure
 • Hypoventilation: CNS
Differential Diagnosis Algorithm ... A-a Gradient Normal ... neuromuscular disease, ↓ chest ... • ↓Diffusion Capacity ... #pulmonary #Aa
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Pulmonary Function ... Interpretation Algorithm ... • Normal • ... Carboxyhemoglobinemia • Chest ... Interpretation #Algorithm
Causes of Polycythemia (Erythrocytosis) - Differential Diagnosis Algorithm
Relative - Normal RBC Mass / Decreased Plasma Volume
Differential Diagnosis Algorithm ... Relative - Normal ... Positive - Low/Normal ... Cyanosis without Pulmonary ... Apnea • Chronic Pulmonary
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
Redistribution In a normal ... standing erect, the pulmonary ... The pulmonary vascular ... significant reserve capacity ... redistribution of pulmonary
Differential diagnosis of Lymphangitic Carcinomatosis. 
On the left multiple diseases showing septal thickening:
1. Lymphangitic carcinomatosis: irregular
Cardiogenic pulmonary ... , ground-glass opacity ... secondary lobules with normal ... Cardiogenic pulmonary ... #CTChest #LymphangiticCarcinomatosis
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
When ground glass opacity ... process adjacent to normal ... lung - Normal lung ... Diagnosis #Radiology #Pulmonary ... #CTChest #MosaicAttenuation