12 results
Effective radiation dose in adults - Following are comparisons of effective radiation dose in adults with
Following are comparisons ... in adults with background ... ChestXRay #CXR #CT ... #Nuclear #Comparison ... #Table #Risks
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
enzymes, Head CT ... Syncope #diagnosis #workup ... #testing #Cost ... Effectiveness #table ... #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 ... ChestXRay #CXR #CT ... #Table #Risks #
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
mSv 1 day Head CT ... months Chest CT ... #Nuclear #Comparison ... #Table #Risks # ... Testing #Study #
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Computed Tomography (CT ... PatientInfo #Radiology #Background ... #Nuclear #Comparison ... #Table #Risks # ... Testing #Study
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... mimics, repeat testing ... renal biopsy • Risk ... → CT urography and ... Hematuria #Diagnosis #Algorithm
Syncope Cost-Effectiveness Workup
Cost-effective tests for most patients: 
 • Orthostatic BP
 • ECG
 • Telemetry (if
Workup Cost-effective ... specific high risk ... Echocardiogram • Head CT ... Cardiac stress testing ... #testing #Cost
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
b) CHF c) CVA ... event, follow ACC algorithm ... Stable patients ... surgery Stress Testing ... preoperative stress testing
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 ... ChestXRay #CXR #CT ... #Comparison #Table ... #Risks
A possible diagnostic algorithm for pulmonary embolism in pregnancy (equipose)

Given the variability in guidelines and equipoise
possible diagnostic algorithm ... the benefits and risks ... scanning versus CT-PA ... VTE #Pregnancy #Workup ... #Imaging #Algorithm