10 results
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Ewing sarcoma • Legg-Calve-Perthes ... Pain: • Infection ... /swelling - Fever ... #pain #differential
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
infection • ... Subacute bacterial endocarditis ... infection, Amyloidosis ... conditions #joint #pain ... #differential #
Endocarditis Summary

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV substance use
• IV catheter
• Recent
Involves aortic and mitral ... night sweats, fever ... Marantic (NTBE) Differential ... Leukocytosis, anemia ... Persistent bacteremia/fevers
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Arthritis Differential ... • Rheumatic fever ... • Bacterial endocarditis ... #Differential # ... Diagnosis #MSK #
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
negative anti-lgG ... younger pts) Differential ... Symptoms: High fevers ... chills, flank pain ... #hematology #diagnosis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... - Trauma - Infection ... Red Flags: • Fever ... lesions • Severe pain ... Schonlein Purpura - Endocarditis
Endocarditis - Overview and Differential Diagnosis Framework

Who?
Infectious:
• Pre-existing valvular disease
• Prosthetic valve
• Congenital heart disease
• IV
and Differential ... involves aortic and mitral ... night sweats, fever ... Leukocytosis, anemia ... #Endocarditis #Differential
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint Pain ... acute rheumatic fever ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... arthralgia, arm/leg ... involvement, abdominal pain ... purpura (lower legs ... infection, drug
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Arthritis: • Joint pain ... • Libman-Sacks endocarditis ... Cytopenias • Cardiac valve ... lymphopenia, low PLT • Anemia