13 results
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
Fecal Occult Blood Testing ... - Guaiac based ... to unnecessary testing ... #FOBT #Guaiac # ... FalsePositives #FalseNegatives
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
medication #Guaiac ... #OccultBlood #Testing ... FalsePositive #FalseNegative
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic Testing ... enzymes, Head CT ... diagnosis #workup #testing ... Effectiveness #table
Cardiac Stress Testing
Exercise:
 • Everyone who can exercise should!
 • They must be able to raise
Cardiac Stress Testing ... • They must be able ... SPECT ($$$), PET CT ... Cardiac #Stress #Testing
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 ... Nuclear #Comparison #Table ... #Risks #Testing
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Computed Tomography (CT ... Computed Tomography (CT ... Computed Tomography (CT ... Nuclear #Comparison #Table ... #Risks #Testing
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
and Screening Testing ... MRA; abdominal CT ... infusion Adrenal CT ... CT or MRI scan of ... Screening #Workup #table
Small Bowel Obstruction Testing Accuracy
#Diagnosis #SBO #Testing #Accuracy #Sensitivity #Specificity #KUB #AbdominalXRay #CT #POCUS #LikelihoodRatio #Comparison
Bowel Obstruction Testing ... Diagnosis #SBO #Testing ... AbdominalXRay #CT ... LikelihoodRatio #Comparison #Table
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Putrid sputum/sour-tasting ... seen • Chest CT ... antibiotics once stable ... shows a small, stable
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
mSv 1 day Head CT ... months Chest CT ... mSv 4-11 years CT ... Nuclear #Comparison #Table ... #Risks #Testing