141 results
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Cost - Cost per test ... etiology of syncope Tests ... enzymes, Head CT ... Cardiac stress test ... Effectiveness #table
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Renal ultrasound, Tests ... MRA; abdominal CT ... infusion Adrenal CT ... CT or MRI scan of ... Screening #Workup #table
Renal Cell Carcinoma (RCC) - Diagnosis and Management Summary
Clinical features - Classic triad (flank pain, hematuria,
and Treatment - Best ... initial test: abdominal ... CT scan with contrast ... CT/MRI of the thorax ... express Laboratory tests
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
In detecting CT ... 9.2, LR- 0.09 Best ... test characteristics
Tricuspid regurgitation on Color Doppler POCUS Echocardiogram

Tricuspid regurgitation.  High-pitched, holosystolic murmur best heard by lower
Color Doppler POCUS ... holosystolic murmur best ... CT shows intense ... regurgitation #POCUS
Positive Seidel test on fluorescein stain exam

Globe rupture can be identified by a positive Seidel test
Positive Seidel test ... positive Seidel test ... CT can also help ... Seidel #Positive #Test
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Computed Tomography (CT ... Ultrasound #Contrast #CT ... #MRI #POCUS #radiology ... diagnosis #comparison #table
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Computed Tomography (CT ... Computed Tomography (CT ... Computed Tomography (CT ... Tomography (PET/CT ... Nuclear #Comparison #Table
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
the screening test ... implies being able ... the screening test ... it has a narrow focus ... #Calculation #Table
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 ... Nuclear #Comparison #Table