12 results
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Findings on Chest CT ... Reverse Halo Sign ... ARDS 3. ... Halo Sign 6. ... #diagnosis
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
ARDS: Clinical ... be detected on CT ... or CXR ● PaO2/ ... #CheatSheet #Diagnosis ... #Management #CriticalCare
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... CT • Central GGO ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
week of a known clinical ... computed tomographic (CT ... lobar collapse, lung ... Definition #Criteria #Diagnosis ... #CriticalCare
Hampton hump is a radiologic sign which consists of a shallow wedge-shaped opacity in the periphery
is a radiologic sign ... periphery of the lung ... may aid in the diagnosis ... confirmed with chest CT ... #CriticalCare #
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... ABPA Kartagener's syndrome ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
pna, pulm hge, ARDS ... Crazy #Paving #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
granulomas within the lungs ... renal failure Clinical ... e.g. incidental CXR ... anterior/posterior MSK ... #Management #Signs
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... Pneumonia: • 3 syndromes ... • CT: Halo sign ... of a "flu-like syndrome ... #pulmonary #differential