32 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... Pain Rash ... parvovirus B19 infection ... • Rheumatic fever ... #differential #
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... Diagnosis Algorithm ... Genitourinary Infection ... • Rheumatic Fever ... • Rheumatic Fever
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... acute rheumatic fever ... infection. ... #Joint #Pain #MSK ... approach #workup #differential
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Hyperthyroidism Fever ... • Rheumatic fever ... SLE, Rheumatic fever ... • New murmur, fever ... #pain #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... Differential Diagnosis ... • Rheumatic fever ... streptococci (rheumatic fever ... #pain #Differential
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Purpuric Rashes- THE ALGORITHMIC ... ; however, an algorithmic ... inflammation or infection ... petechiae/purpura with fever ... petechiae/purpura with fever
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... SLE) - Viral infections ... APLS • Acute Infectious ... mountain spotted fever ... #Diagnosis #hematology
Hemolytic Anemia - Differential Diagnosis Algorithm
 • Sickle cells - Consider sickle cell disease (diverse genotypes):
Diagnosis Algorithm ... cardiac valve, vasculitis ... inclusions - If infection ... bartonella (oroya fever ... #workup #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... vesicular eruption - Joints ... Coronary arteries - Fever ... to exclude are infections ... : • Fevers
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... and branches • Fever ... tract: Abdominal pain ... Coronary arteries • Fever ... Palpable purpura, joint