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
Findings on Chest ... Reverse Halo Sign ... Halo Sign 6. ... #Pulmonary #ChestCT ... #radiology #CTChest
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
2 years CHEST ... ) — Chest 7 mSv ... ) — Lung Cancer ... 6 months - Chest ... #ChestXRay #CXR
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
Estimated dose - ... 4 days Chest ... X-ray 0.01 mSv 1 ... mSv 8 months Chest ... #ChestXRay #CXR
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 ... #PatientInfo #Radiology ... #Background #Radiation ... #ChestXRay #CXR
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
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
Crazy Paving on Chest ... interlobular septa in a background ... Crazy #Paving #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
murmur 3/6) - Pulmonary ... days before Pulmonary ... change CV risk Chest ... X-ray: • Not ... unless prior heart/lung
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... to, your vision does ... wall, a chest x-ray ... #Radiology #CTChest ... #Lung #Pulmonary