22 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Diagnosis Algorithm ... Polyarticular Join ... • Endocarditis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Pain Rash ... • Rheumatic fever ... lesions • Discoid lupus ... #differential # ... diagnosis #rheumatology
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Regions - Frequent Differential ... Diagnoses Medical ... infective endocarditis ... Returning #Traveler #differential ... #diagnosis #tropical
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
Diagnosis Malar ... Suggestive of: Rheum Fever ... Suggestive of Lyme infection ... #differential # ... diagnosis #peds
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... within 1 month of infection ... arthritis - with the skin ... with Systemic Lupus ... like “butterfly rash
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... Red Flags: • Fever ... Schonlein Purpura - Endocarditis ... Autoimmune Vasculitis (lupus ... cryoglobulins • Skin
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 ... spondyloarthropathies, lupus ... • Acute = Viral ... approach #workup #differential
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
(SLE) General: Fever ... Sjögrens (15%) Skin ... Photosensitivity, Butterfly rash ... Pericarditis, Endocarditis ... signs #symptoms #diagnosis
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
muscle weakness, rash ... , Fever, No muscle ... Detectable HIV viral ... Myopathies #myopathy #differential ... #diagnosis #comparison
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
infection • ... Scleroderma Thickened skin ... infection, Amyloidosis ... #pain #differential ... #diagnosis #rheumatology