10 results
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
can't make A-OK sign ... Disposition: Simple, DC ... with ortho follow-up ... Dislocation #Posterior #Radiology ... #XRay #Diagnosis
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 ... Disposition: Type l, DC ... Elbow #Humerus #Radiology ... #XRay #Diagnosis
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... Disposition: Type I, DC ... with ortho follow-up ... Fracture #Elbow #Radiology ... #XRay #Diagnosis
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... Inverse Gottron’s sign ... severity of the disease ... Dermatomyositis #rheumatology ... #dermatology #diagnosis
Hemophagocytic Lymphohistiocytosis (HLH)
Pathophysiology: Triggering factor (infection,...)→Activation of CD8 T cells (IFN-y) → Excessive activation of macrophages
Lymphohistiocytosis (HLH) Pathophysiology ... →Activation of CD8 ... • Autoimmune diseases ... Adult-onset Still disease ... treatment #summary #rheumatology
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Arthritis) - MSK Radiology ... mass and NO prior signs ... diffuse chondral disease ... mri #clinical #Radiology ... #rheumatology
Polycythemia Vera (PV) - Diagnosis and Management Summary
Diagnostic Criteria:
 • Elevated hemoglobin and/or hematocrit AND
 •
Management Summary Diagnostic ... incidentally via CBC ... present, symptoms, signs ... von Willebrand disease ... Summary #treatment #hematology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
Physical Exam/Signs ... phenomenon CLL Diagnosis ... cells can indicate disease ... Lymphocytic #Leukemia #diagnosis ... workup #oncology #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... Differential Diagnosis ... purpura: strong sign ... Lab Tests: • CBC ... #rheumatology #
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Differential Diagnosis ... • Autoimmune diseases ... #differential #diagnosis ... neutrophil #WBC #CBC ... #hematology #pathophysiology