39 results
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 ... Infections #HIV #AIDS #pulmonary
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
COVID-19 Patterns ... Organizing Pneumonia ... pediatrikradyoloji #COVID19 ... Patterns #Lung #Pulmonary ... ChestCT #radiology #CTChest
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
this patient have pneumonia ... e.g., CXR, CT, ultrasound ... procalcitonin) - Pulmonary ... symptoms (e.g., dyspnea ... #Pneumonia #Venn
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Edema, Alveolar Proteinosis ... Edema, Hemorrhage, Pneumonia ... Hypersensitivity Pneumonia ... Paving: Alveolar Proteinosis ... Honeycombing: Idiopathic Pulmonary
Crazy Paving is a combination of ground glass opacity with superimposed septal thickening (5).
It was first
specific for alveolar proteinosis ... NSIP - Organizing pneumonia ... Bronchoalveolarca (BAC) - Pulmonary ... Clinical #Radiology #CTChest ... AlveolarProteinosis #RadiologyAssistant
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
Eosinophilic Pneumonia ... Fever+, Cough+, Dyspnea ... +, Pleuritic Chest ... Consolidations AKA "inverse pulmonary ... #diagnosis #pulmonary
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
post-obstructive pneumonia ... like organizing pneumonia ... - Alveolar proteinosis ... Diagnosis #Radiology #Pulmonary ... #Differential #RadiologyAssistant
On the left a patient with both septal thickening and ground glass opacity in a patchy
specific for alveolar proteinosis ... distress syndrome and pulmonary ... Clinical #Radiology #CTChest ... AlveolarProteinosis #Alveolar #Proteinosis ... #RadiologyAssistant
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic Dyspnea ... Thickening/Masses Chest ... Alveoli • Pneumonia ... Vessels • Pulmonary ... Acidosis #Chronic #Dyspnea
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
idiopathic interstitial pneumonias ... and interstitial pneumonia ... Diagnosis #Radiology #Pulmonary ... #CTChest #Idiopathic ... ILD #Findings #RadiologyAssistant