38 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
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Computed Tomography (CT ... Tomography Angiography (CTA ... - Cardiac CT ... #Nuclear #Comparison ... #Table #Risks #
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 ... Chest CT 3 mSv 150 ... CXRs Abdomen CT ... ChestXRay #CXR #CT ... #Table #Risks #
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Computed Tomography (CT ... Resonance Imaging (MRI ... Ultrasound #Contrast #CT ... differential #diagnosis #comparison ... #table #appearance
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
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
Beta Blockers - Pharmacology Comparison Table
Metoprolol:
 • Receptors: β1
 • Indications: Rate control of a-fib/a-flutter, Suppression
- Pharmacology Comparison ... Table Metoprolol ... syndrome, Post-MI ... sinus tach (2nd line ... #Pharmacology #Comparison
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. ... #Limitations #Comparison
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
; abdominal CT, ... aldosterone) or IV saline ... infusion Adrenal CT ... CT or MRI scan of ... Screening #Workup #table
Positive Varus Stress Test in LCL Injury

Interesting knee injury in a young basketball player who landed
Interesting knee ... An MRI confirmed ... injury, we are able ... #Orthopedics #Knee ... collateral #ligament #msk