10 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
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 ... Complex, pending orthopedic ... MH/CCF/CWRU EM ... Dislocation #Posterior #Radiology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... can't make A-OK sign ... Splint: Posterior long ... MH/CCF/CWRU EM ... Elbow #Humerus #Radiology
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
Splint: Posterior long ... • If stable ... DC with orthopedic ... MH/CCF/CWRU EM ... Forearm #Ulnar #Radiology
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
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 ... Diagnosis #Management #Orthopedics
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
6 mSv 2 years CHEST ... Tomography (CT) — Lung ... #PatientInfo #Radiology ... #CT #Nuclear #Comparison ... #Table #Risks #
Preoperative Risk Evaluation

Major Pre-Op Questions:
1. Does the patient have any modifiable risk factors that could be
Stable patients ... Intraabdominal - Orthopedic ... one post op Cardiology ... change CV risk Chest ... unless prior heart/lung
Increased pulmonary venous pressure is related to the pulmonary capillary wedge pressure (PCWP) and can be
features on the chest ... film (Table). ... logical sequence of signs ... chronic obstructive lung ... #Diagnosis #Radiology
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
(@MarkRamzyDO, EM ... Hamilton, MD (EM ... Vital signs: BP ... #Radiology #CTChest ... #Lung #Pulmonary