38 results
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 ... Lung Findings on Chest ... Organizing Pneumonia ... Patterns #Lung #Pulmonary ... #CTChest #diagnosis
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... (COP), chronic ... eosinophilic pneumonia ... #HRCT #ChestCT ... Central #Peripheral #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 ... Abdominal pain, chronic
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Dyspnea - Differential ... Thickening/Masses Chest ... Alveoli • Pneumonia ... #Dyspnea #SOB #
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
evidence of a chest ... e.g., CXR, CT, ultrasound ... symptoms (e.g., dyspnea ... production, pleuritic chest ... #Pneumonia #Venn
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
Fever+, Cough+, Dyspnea ... +, Pleuritic Chest ... mechanical ventilation Chronic ... Consolidations AKA "inverse pulmonary ... #diagnosis #pulmonary
Lobar pneumonia
On the chest x-ray there is an ill-defined area of increased density in the right
Lobar pneumonia ... On the chest x-ray ... list of causes of chronic ... an acute lobar pneumonia ... #RadiologyAssistant
On the left a case of chronic eosinophilic pneumonia.
It was a patient with low-grade fever, progressive
left a case of chronic ... and an abnormal chest ... Chronic eosinophilic ... Clinical #Radiology #CTChest ... EosinophilicPneumonia #RadiologyAssistant
HRCT findings in Chronic eosinophilic pneumonia
Peripheral consolidations with upper lobe predominance (photo negative of pulmonary edema).
On
HRCT findings in Chronic ... eosinophilic pneumonia ... photo negative of pulmonary ... Clinical #Radiology #CTChest ... #Pnemonia #RadiologyAssistant
Acute and Chronic Causes of Dyspnea - Differential Diagnosis
Pulmonary/Chest Wall:
 • Acute: Trauma, COPD exacerbation, Asthma
Causes of Dyspnea ... Differential Diagnosis Pulmonary ... /Chest Wall: • ... Pleural effusion, Pneumonia ... Pleural effusion, Pulmonary