16 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... #Radiology #CTChest ... #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 ... Dislocation #Posterior #Radiology ... #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
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 ... #Humerus #Radiology ... #XRay #Diagnosis ... #Orthopedics #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
Radial head fractures ... anterior sail sign ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
Rapid, increasing signs of extrapyramidal symptoms (EPS) is an important key feature of NMS. EPS, associated
Rapid, increasing signs ... important key feature ... #Diagnosis #Serotonin ... NeurolepticMalignant #Comparison ... #Table
Multiple Sclerosis - Summary

Multiple Sclerosis (MS) is an autoimmune-mediated neurodegenerative disease of the central nervous system
Examination: • UMN signs ... Clonus, Babinski’s sign ... • Lhermitte’s sign ... pupillary defect SIGNS ... Signs and symptoms
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Features That Differentiate Acute Pericarditis from Myocardial Ischemia or Infarction and Pulmonary Embolism

In contrast to the
Features That Differentiate ... myocardial ischemia, chest ... Pericarditis #Symptoms #Signs ... #Presentation #comparison ... #Table #Diagnosis
STEMI Equivalents on ECG
 • Conventional STEMI - Elevation of ST segment at (or 40-60 ms
segment at (or 40-60 ms ... point • De Winter syndrome ... V2 • Wellens sign ... pain • Wellens sign ... #EKG #diagnosis
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
myasthenia Diagnosis ... Serologic and EMG ... test - Cogan sign ... - Peek sign ... Imaging - CT Chest