7 results
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
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
Lung Findings on Chest ... CT 1. ... Reverse Halo Sign ... Halo Sign 6. ... #ChestCT #radiology
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
2 years CHEST ... ) — Chest 7 mSv ... 6 months - Chest ... 7 weeks #PatientInfo ... #Radiology #Background
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
14th CXRs 2-view chest ... Chest CT 3 mSv 150 ... Pediatrics 2008 #PatientInfo ... #Radiology #Background ... #Imaging #ChestXRay
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Atoll Sign (Reverse-Halo ... Sign) on Chest ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
in paediatric radiology ... 4 days Chest ... mSv 8 months Chest ... #Radiology #Background ... #Imaging #ChestXRay
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
of breath and chest ... Vital signs: BP ... This post will focus ... to, your vision does ... #Radiology #CTChest