55 results
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
Estimated Medical Radiation ... and lateral abdomen ... 200 CXRs Chest ... CT 3 mSv 150 CXRs ... #PatientInfo #Radiology
Signs of Pulmonary Hypertension on Chest CT
 • Main PA is dilated and larger than the
Signs of Pulmonary ... CT • Main PA ... Carina crossover sign ... #Radiology #cardiology ... #diagnosis
COVID-19 Patterns of Lung Findings on Chest CT
1. Reverse Halo Sign
2. ARDS
3. Crazy-Paving Pattern
4. Bilateral Peripheral
CT 1. ... Reverse Halo Sign ... Bilateral Peripheral ... Pulmonary #ChestCT #radiology ... #CTChest #diagnosis
Garland Triad on Chest X-Ray in Sarcoidosis 
aka Pawnbroker's Sign - Right paratracheal and bilateral hilar
aka Pawnbroker's Sign ... paratracheal and bilateral ... #XRay #CXR #Pawnbrokers ... #Sign #clinical ... #radiology #pulmonary
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... .2016.12.033 #Halo #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... Feeding #Vessel #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
ASD and Bidirectional Shunt on Cardiac CTA
Cardiac CTA ASD with “artistic rendering” of a bidirectional shunt.
ASD and Bidirectional ... CCTA for chest pain ... #Bidirectional ... CardiacCTA #CCTA #diagnosis ... #clinical #cardiology
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
CT demonstrates ... can suggest the diagnosis ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Radiation Dose to ... without contrast material ... #PatientInfo #Radiology ... #Background #Radiation ... Imaging #ChestXRay #CXR
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
How much radiation ... in paediatric radiology ... Natural background ... #PatientInfo #Radiology ... Imaging #ChestXRay #CXR