7 results
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic Testing ... enzymes, Head CT ... /S, EEG, Brain MRI ... , Cardiac stress ... #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 ... PatientInfo #Radiology #Background ... #Nuclear #Comparison ... #Table #Risks # ... Testing #Study #
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
Cardiac Stress Testing ... • They must be able ... $), ECHO ($$), Nuclear ... SPECT ($$$), PET CT ... /MRI ($$$$) CORE
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
mSv 4 years - Cardiac ... PatientInfo #Radiology #Background ... #Nuclear #Comparison ... #Table #Risks # ... Testing #Study
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
dose - Days of background ... radiation Natural background ... #Nuclear #Comparison ... #Table #Risks # ... Testing #Study #
Syncope Cost-Effectiveness Workup
Cost-effective tests for most patients: 
 • Orthostatic BP
 • ECG
 • Telemetry (if
specific high risk ... Echocardiogram • Head CT ... Carotid US • Brain MRI ... • EEG • Cardiac ... stress testing
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
infection • Most ... pneumonia • DM risk ... Putrid sputum/sour-tasting ... seen • Chest CT ... residual lesion or is clear