11 results
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Computed Tomography (CT ... - Intravenous Pyelogram ... ) — Lung Cancer ... PatientInfo #Radiology #Background ... #Nuclear #Comparison
Effective radiation dose in adults - Following are comparisons of effective radiation dose in adults with
Following are comparisons ... in adults with background ... PatientInfo #Radiology #Background ... ChestXRay #CXR #CT ... #Nuclear #Comparison
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 ... 200 CXRs Chest CT ... CXRs Abdomen CT ... PatientInfo #Radiology #Background ... #Nuclear #Comparison
Using Stroke Windows for Detecting Ischemia on Head CT
When evaluating a CT head for possible stroke,
Ischemia on Head CT ... When evaluating a CT ... attenuation (blood/lung ... CTHead #diagnosis #comparison
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
dose - Days of background ... radiation Natural background ... months Chest CT ... PatientInfo #Radiology #Background ... #Nuclear #Comparison
Crazy Paving on Chest CT
 • Thickened interlobular septa in a background of diffuse GGO's.
 •
Paving on Chest CT ... interlobular septa in a background ... #Paving #Sign #CT ... #Lung #Pulmonary
Figure 2. - Effective radiation doses associated with common cardiovascular imaging tests. The average effective radiation
to the average background ... CT indicates computed ... Radiation #Doses #CT ... Nuclear #Stress #Comparison
The chart below (from the FDA) shows radiation exposure with a variety of procedures and how
compares to the background ... radiation of life: A CT ... radiation of a few CT ... PatientInfo #Radiology #Background ... #Comparison #Table
Using Subdural Windows for Detecting Hemorrhage on Head CT
When evaluating CT head for hemorrhage, widen the
Hemorrhage on Head CT ... When evaluating CT ... attenuation (blood/lung ... CTHead #diagnosis #comparison
Performance Characteristics for Colorectal Cancer Screening Tests
Stool/blood-based tests:
 • FIT: 79% sensitivity, 94% specificity for CRC
specificity for CRC, Long ... rate for CRC, Long ... for distal CRC, Long ... mortality 26% • CT ... Screening #Tests #comparison