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Chest XRay Interstitial Pattern - Differential Algorithm #Diagnosis #Radiology #Pulmonary #CXR #Interstitial #Pattern #Differential #Algorithm #RadiologyAssistant
Chest XRay Interstitial ... Diagnosis #Radiology #Pulmonary ... #CXR #Interstitial ... Differential #Algorithm #RadiologyAssistant
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... Lymphadenopathy, Chest ... breath, Fatigue, Chest ... : • Chest pain ... fever, rales, interstitial
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... pneumonias (IIPs ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic ... ILD #Findings #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
lung disease comes ... On a Chest X-Ray ... detected on a chest ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
BOOP • Type of interstitial ... malignancy and other interstitial ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary ... ILD #diagnosis #management
Causes of Hypoxemia- Differential Diagnosis Algorithm
Ventilation/perfusion Mismatch
 • Airway Disease (Asthma, COPD)
 • Vascular (PE*)
 •
Limitation • Interstitial ... lung disease ... • Pulmonary Arterial ... Malformation • Severe Pneumonia ... Abnormalities • Chest
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... consolidations Interstitial ... - Reticular interstitial ... mass - Solitary Pulmonary ... Consolidation #Patterns #RadiologyAssistant
Pulmonary Function Tests (PFTs) - Interpretation Algorithm
 • Normal
 • Pulmonary Hypertension, Anemia, Carboxyhemoglobinemia
 • Chest
Pulmonary Function ... • Normal • Pulmonary ... Carboxyhemoglobinemia • Chest ... Disorders • Interstitial ... Lung Disease
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Weakness, Loss of Chest ... Elasticity (flail chest ... Atelectasis, ARDS, Pneumonia ... Disease, Interstitial ... Lung Disease
Pulmonary Function Testing (PFT) Interpretation Algorithm

Restrictive Lung Disease:
 • Chest wall or neuromuscular disorders
 • Interstitial
Pulmonary Function ... Disease: • Chest ... disorders • Interstitial ... lung disease ... MatthewHoMD #Pulmonary