292 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Myalgia • Viral Arthritis ... Symmetrical Rash) • Rubella ... • Septic Arthritis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Effusions - Septic Arthritis ... Hepatitis B, C - Rubella ... : - Reactive arthritis ... - Rheumatoid arthritis ... RA/Idiopathic arthritis
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Fever, Arthralgia/arthritis ... yersinia, borrelia, Rubeola
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
to Joint Pain - Arthritis ... Hepatitis B virus • Rubella ... • Reactive arthritis ... • Lyme arthritis ... #Arthritis #
MIAMI Mnemonic for Differential Diagnosis of Lymphadenopathy
Malignancies
 - Kaposi sarcoma, leukemias, lymphomas, metastases, skin neoplasms
Infections
 -
Epstein-Barr virus), rubella ... Dermatomyositis, rheumatoid arthritis
Common Childhood Exanthems - Differential Diagnosis
1) Rubeola (Measles) - Measles morbillivirus (MeV)
2) Scarlet Fever - Streptococcus
Diagnosis 1) Rubeola ... Streptococcus pyogenes 3) Rubella ... German measles) - Rubella ... Exanthem subitum (Roseola
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Diseases • Septic arthritis ... of Inflammatory Arthritis ... when rheumatoid arthritis ... tests: HIV test, a rubella ... Disease #Rheumatoid #Arthritis
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
neuritis - Giant cell arteritis ... Juvenile idiopathic arthritis ... Onycholysis - Psoriatic arthritis ... Pitting - Psoriatic arthritis ... Tumor-associated arthritis
Causes of Myocarditis 
1. Infectious Myocarditis
 • Bacterial - Staphylococcus, Streptococcus, Pneumococcus, Meningococcus, Gonococcus, Salmonella, Corynebacterium
measles virus, rubella ... erythematosus, rheumatoid arthritis
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
Seronegative Inflammatory Arthritis ... Seronegative Rheumatoid Arthritis ... • Infectious Arthritis ... IBD-Associated Arthritis ... , Reactive Arthritis