18 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. ... Pulmonary #ChestCT #radiology
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
: Clinical Cheat ... increased pulmonary vascular ... with pulmonary edema ... be detected on CT ... or CXR ● PaO2/
ARDS/VALI progression over the course of 1 week 
 (a) Day 1 - No pathological findings.
involvement, with “white lung ... normal-sized heart and vascular ... the differential diagnosis ... #Clinical #Radiology ... #CXR #ChestXRay
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework

NCPE Pathophysiology:
Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
ischemic changes CXR ... • Pulmonary vascular ... distress syndrome (ARDS ... lung injury (TRALI ... #cardiology
Heart failure with Reduced Ejection Fraction (HFrEF)
Clinical Presentation
1. Typical symptoms: dyspnea, orthopnea paroxysmal noctumal dyspnea, fatigue,
More Specific Signs ... Less Specific Signs ... Chest x-ray: signs ... HF → no signs of ... #management #cardiology
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
DDx: PAP, pulm edema ... Crazy #Paving #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Diffuse consolidation
The most common cause of diffuse consolidation is pulmonary edema due to heart failure.
This is
Look for other signs ... patients, who have an acute ... pulmonay infection, ARDS ... #Diagnosis #Radiology ... #Pulmonary #CXR
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram Sign ... #Bronchogram #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Head Cheese Sign on Chest CT
 • Juxtaposition of distinct radiographic areas of low, normal and
Head Cheese Sign ... #Head #Cheese #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical