9 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
19 Patterns of Lung ... CT 1. ... Reverse Halo Sign ... #Pulmonary #ChestCT ... #radiology #CTChest
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Radiation Dose to ... ) — Chest 7 mSv ... ) — Lung Cancer ... #PatientInfo #Radiology ... #Imaging #ChestXRay
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
Medical Radiation Doses ... Chest CT 3 mSv 150 ... #PatientInfo #Radiology ... Background #Radiation #Doses ... #Imaging #ChestXRay
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
in paediatric radiology ... Estimated dose - ... mSv 8 months Chest ... #PatientInfo #Radiology ... #Imaging #ChestXRay
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
Sign (Reverse-Halo ... CT • Central GGO ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
Pleuroparenchymal Fibroelastosis (PPFE) on Chest CT
47 M with idiopathic pleuroparenchymal fibroelastosis. Typical imaging findings:
- Upper lobe
CT 47 M with idiopathic ... Typical imaging ... Rare - GVHD, lung ... PPFE #ChestCT #radiology ... #clinical #pulmonary
The chart below (from the FDA) shows radiation exposure with a variety of procedures and how
radiation of life: A CT ... radiation of a few CT ... cells taking in 8 mSV ... #PatientInfo #Radiology ... #Imaging #ChestXRay
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
specific questions to ask ... murmur 3/6) - Pulmonary ... days before Pulmonary ... one post op Cardiology ... unless prior heart/lung