6 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
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
Radiation Doses for 5 Year-Old ... Chest CT 3 mSv 150 ... Doses #Imaging #ChestXRay ... #Comparison #Table ... Risks #Testing #Study
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
years - Upper GI Study ... ) — Lung Cancer ... Doses #Imaging #ChestXRay ... #Comparison #Table ... Risks #Testing #Study
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
/year 1 day Airline ... Chest CT 3 mSv 12 ... Doses #Imaging #ChestXRay ... #Comparison #Table ... Risks #Testing #Study
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign (Reverse-Halo ... Sign) on Chest CT ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
murmur 3/6) - Pulmonary ... Change in clinical ... one post op Cardiology ... unless prior heart/lung ... stratification #diagnosis