12 results
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... • WBC <2k: Noninflammatory ... lower limbs) • WBC ... presentation with lower WBC ... #Joint #Pain #MSK
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis ... , erythema and WBC ... morning • Effusion leukocyte ... Joint #pain #Differential ... #Diagnosis #MSK
Bandemia Overview

Normal: < 1%
Clinically significant: > 10%

Band neutrophils are slightly less mature than segmented neutrophils and
Even with normal WBC ... relative to both WBC ... 21% had normal WBC ... #neutrophil #WBC ... #CBC #hematology
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
left shoulder pain ... Diagnosis? ... WBC/CRP/ESR elevated ... Arthrocentesis-64K WBC ... clinical #ultrasound #MSK
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
disease states Pathophysiology ... onset of swelling, pain ... Synovial Fluid: • WBCs ... Fluid Testing: • WBCs ... Intracellular (leukocyte
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
inflammation of the joints ... malaise) - Muscle pain ... Inflammation and pain ... of the joints ( ... - CBC may also
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
Differential Diagnosis ... disease • Non-autoimmune ... : • Joint pain ... arthropathy • 90% joints ... titers > 1:80 • CBC
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
of the affected joint ... Complete blood count (CBC ... , and low back pain ... (to support a diagnosis ... laboratory #workup #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... vesicular eruption - Joints ... , testes -> pain ... Lab Tests: • CBC ... #rheumatology #
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
deposition in joints ... attacks • Other joints ... frequent attacks • Arthritis ... Fluid Testing: • WBCs ... Intracellular (leukocyte