14 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
CT 1. ... Reverse Halo Sign ... Halo Sign 6. ... Organizing Pneumonia ... Pulmonary #ChestCT #radiology
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
infiltrate (e.g., CXR ... , CT, ultrasound ... - Pulmonary symptoms ... pain) and signs ... #Pneumonia #Venn
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic chest ... • CT: Halo sign ... Lymphadenopathy, Chest ... : • Chest pain ... Constitutional symptoms
Aortic Stenosis - Diagnosis and Stages

Clinical Presentation
- Exertional dyspnea
- Chest pain
- Palpitations
- HF Symptoms (orthopnea, PND,
Exertional dyspnea - Chest ... Palpitations - HF ... Symptoms (orthopnea ... Stages #Management #Signs ... #Symptoms #Cardiology
Polo Mint Sign on Chest CT
 • Partial filling defect in a blood vessel surrounded by
Polo Mint Sign on ... Chest CT • Partial ... filling defect ... #Polo #Mint #Sign ... #diagnosis #radiology
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
Typical symptoms ... More Specific Signs ... Less Specific Signs ... Chest x-ray: signs ... → no signs of CXR
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... on Chest CT • Parallel ... bronchiectasis, CF ... #Tram #Track #Sign ... #diagnosis #radiology
Community Acquired Pneumonia (CAP) - Diagnosis and Management

Pneumonia Signs/Symptoms:
 • Confusion/disorientation (LR + 1.9)
 • Cough
Signs/Symptoms: ... • Pleuritic chest ... infiltrate by chest ... radiograph or CT ... Yield of blood CX
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
the only way to detect ... a patient with signs ... of CHF. ... #Clinical #Radiology ... #CXR #CHF #Pleural