24 results
CT vs T1 MRI
CT Head:
 - Bones are white
 - Fat is Dark & Scalp fat
CT vs T1 MRI CT ... not apparent T1 MRI ... Pal @drdevrad #CT ... #T1 #MRI #comparison
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Computed Tomography (CT ... Delayed Phase • Magnetic ... Resonance Imaging (MRI ... #MRI #POCUS #radiology ... differential #diagnosis #comparison
Effective radiation dose in adults - Following are comparisons of effective radiation dose in adults with
Following are comparisons ... ChestXRay #CXR #CT ... #Nuclear #Comparison ... #Table #Risks
X-ray limitations
It’s important to know the limitations of X-rays so we can correctly interpret them in
UltraSound (POCUS) to CT ... or MRI. ... considerations for high-risk ... #Limitations #Comparison
Main types of autoimmune encephalitis in the ICU. 
Anti-NMDAR anti-N-methyl-d-aspartate receptor, ADEM acute disseminated encephalomyelitis, Anti-GFAP
cerebrospinal fluid, MRI ... magnetic resonance ... #encephalitis #comparison
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
enzymes, Head CT ... /S, EEG, Brain MRI ... Effectiveness #table #comparison
How do you work up an ischemic CVA?
A) Initial Evaluation
 • ABCs
 • IV access, monitor
• Non-contrast CT ... a NCCT or • MRI ... Detected on NCCT vs MRI ... Defined if 1) CT ... CVA 2) No major-risk
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 #
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 #
Listeriosis Summary - Listeria Monocytogenes
Pathogen: Listeria Monocytogenes - Gram-positive rod, Aerobic, facultative anaerobe, motile, beta-hemolytic, Non-spore-forming
Risk
Non-spore-forming Risk ... Infection) • MRI ... / CT if focal symptoms