13 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Differential #Comparison ... #Table #RadiologyAssistant
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
14th CXRs 2-view chest ... 200 CXRs Chest ... #PatientInfo #Radiology ... #CT #Nuclear #Comparison ... #Table #Risks #
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
2 years CHEST ... Tomography (CT) — Lung ... #PatientInfo #Radiology ... #CT #Nuclear #Comparison ... #Table #Risks #
Cardiac Event Monitors
 • Holter Monitor - Records every heart beat for 24-48 hours
 • Loop/Event
patient places on chest ... Loop recorder - Long ... Monitors #heart #cardiology ... telemetry #devices #comparison ... #table
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
segment at (or 40-60 ms ... V2 • Wellens sign ... accompanied by chest ... pain • Wellens sign ... #differential #cardiology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... Splint: Posterior long ... MH/CCF/CWRU EM ... Elbow #Humerus #Radiology ... #Orthopedics #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Splint: Posterior long ... • If stable ... MH/CCF/CWRU EM ... Forearm #Ulnar #Radiology ... Orthopedics #Proximal #MSK
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
will be obvious; signs ... Splint: Posterior long ... MH/CCF/CWRU EM ... Radial #Distal #Radiology ... #Orthopedics #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
can't make A-OK sign ... Splint: Posterior long ... MH/CCF/CWRU EM ... Dislocation #Posterior #Radiology ... Orthopedics #Sports #MSK
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
in paediatric radiology ... 4 days Chest ... #PatientInfo #Radiology ... #CT #Nuclear #Comparison ... #Table #Risks #