31 results
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
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
50 CXRs Head CT ... Chest CT 3 mSv 150 ... Radiation #Doses #Imaging ... #CT #Nuclear #Comparison ... #Table #Risks #
Venn Diagram - Does this patient have pneumonia?
Diagnosis is generally based on three lines of evidence:
Diagnosis is generally ... evidence: - Imaging ... infiltrate (e.g., CXR ... , CT, ultrasound ... pain) and signs
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
) — Chest 7 mSv ... #PatientInfo #Radiology ... #ChestXRay #CXR ... #CT #Nuclear #Comparison ... #Table #Risks #
Sand Storm Sign on Chest CT
 • Diffusely dense pulmonary micronodular calcifications. Note the black pleural
Sand Storm Sign ... on Chest CT • Diffusely ... black pleural line sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
the diagnosis in ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... #CXR #CTChest #
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Lesions on Various Imaging ... Computed Tomography (CT ... Portal Venous Phase and ... #differential #diagnosis ... #comparison #table
Cheerio Sign (Open Bronchus Sign) on Chest CT
 • Pulmonary nodule with a central lucency
 •
Cheerio Sign (Open ... Bronchus Sign) ... on Chest CTPulmonary ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Corona Radiata (Sunburst sign) on Chest CT
 • SPN or mass, with spiculated and inegular margins
Radiata (Sunburst sign ... ) on Chest CT • ... Radiata #Sunburst #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
mSv 8 months Chest ... Radiation #Doses #Imaging ... #ChestXRay #CXR ... #CT #Nuclear #Comparison ... #Table #Risks #