10 results
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... • Rheumatic Fever ... • Systemic Lupus ... • Rheumatic Fever ... JointPain #MSK #Differential
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
acute rheumatic fever ... spondyloarthropathies, lupus ... rheumatology #approach #workup ... #differential # ... diagnosis #arthritis
Combination of Skin Findings and Arthritis in Pediatrics Patient - Differential Diagnosis
Malar rash: 
 • A
in Pediatrics Patient ... - Differential ... Suggestive of: Rheum Fever ... #skin #differential ... diagnosis #peds #pediatrics
Myositis and Myopathies
Polymyositis 
 • Progressive, symmetric muscle weakness 
 • Elevated CK, +Anti-Jo, +Anti-Mi2
Dermatomyositis
, Fever, No muscle ... with temporal arteritis ... Anti-retrovirals, Gemcitabine Lupus ... uncommon 5-15% of lupus ... Myopathies #myopathy #differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... • Rheumatic fever ... lesions • Discoid lupus ... #dermatology #joint ... #skin #rashes #differential
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
an accessible joint ... typically part of the workup ... syndrome: • Fever ... Painless) Purulent Arthritis ... #Microbiology #InfectiousDiseases
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
to think about lupus ... ) Inflammatory joint ... the face (many differential ... 9) Unexplained fever ... including in children (pediatric
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
weight loss, and fever ... permanent alopecia Differential ... : • Joint pain ... arthropathy • 90% joints ... , Fever, Serositis
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... Red Flags: • Fever ... Autoimmune Vasculitis (lupus ... deficiency Work ... • Abdominal ultrasound
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
inflammation Others: • Lupus ... vesicular eruption - Joints ... Coronary arteries - Fever ... such as systemic lupus ... Vasculitis: • Fevers