123 results
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
1/14th CXRs 2- ... 4 mSv 200 CXRs ... 5 mSv 250 CXRs ... #CT #Nuclear #Comparison ... #Table #Risks #
CT vs T1 MRI
CT Head:
 - Bones are white
 - Fat is Dark & Scalp fat
CT vs T1 MRI CT ... not apparent T1 MRI ... drdevrad #CT #T1 #MRI ... #comparison #neurology
X-ray limitations
It’s important to know the limitations of X-rays so we can correctly interpret them in
POCUS) to CT or MRI ... ChestXRay #KUB #CXR ... #Limitations #Comparison
Effective radiation dose in adults - Following are comparisons of effective radiation dose in adults with
Following are comparisons ... Imaging #ChestXRay #CXR ... #CT #Nuclear #Comparison ... #Table #Risks
Comparison of Common MRI Sequences - T1 vs T2 vs Flair
T1:
 • CSF IS DARK
 •
Comparison of Common ... MRI Sequences - ... drdevradiology #MRI ... T1 #T2 #FLAIR #comparison
MRI Brain Sequence Comparison: T1 vs T2 vs FLAIR
T1:
 - CSF is Dark
 - Grey Matter
MRI Brain Sequence ... Comparison: T1 ... T1 #T2 #FLAIR #MRI ... #Brain #Comparison
Millicurie limit guidelines for major and minor radioactive spills.
I-131 - 1mCi
In-111 - 10 mCi
F-18 - 10
-111 - 10 mCi F ... -18 - 10 mCi I- ... 123 - 10 mCi Ga ... -201 - 100 mCi ... Tc-99m - 100 mCi
Patterns of Diseases on MRI FLAIR - Differential Diagnosis
ADEM, Adreno-leukodystrophy, CADASIL, CNS, Lymphoma, High-Grade Glioma, HIV
of Diseases on MRI ... Metastases, Migraine, MS ... : Active, MS: Inactive ... , MS: Tumefactive ... Patterns #Diseases #MRI
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Resonance Imaging (MRI ... #Contrast #CT #MRI ... differential #diagnosis #comparison ... #table #appearance
Differentiating type-I vs. type-II MI

Sorting this out is difficult, often relying heavily on clinical judgement.

A key
type-I vs. type-II MI ... probably a type-2 MI ... probably a type-1 MI ... Definition #NSTEMI #Comparison ... #Table